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Clear water of Lake Dukka Rybka on the Malaya Dukka River on the slopes of the Arkasar ridge in the North Caucasus on a sunny summer day, Arkhyz, Karachay-Cherkessia, Russia
Abstract from famous Austrian ravine, Barenshutzklamm. HDR photo.
water of Bimmah sinkhole in Oman
Wooden poles of an old jetty at the banks of river Peene in a nature reserve at Voelschow Berg near Demmin on a foggy morning
Tortum creek. Tortum Waterfall Park. Summer day. Waterfall starting point. Uzundere, Erzurum, Turkey
Ganguddy  Swamp or Dunns swamp, NSW. Wollemi National Park west of Sydney.  The Cudgegong river was damed in the 1920s for the Kandos cement works near by.
The lake water and trees show a variety of green
Clouds and trees
THE SOURCE OF THE UREDERRA IS LOCATED IN THE NATURAL PARK OF URBASA AND ANDÍA IN THE PROVINCE OF NAVARRA AND MORE SPECIFICALLY IN THE REGION OF TIERRA ESTELLA.\n\n THE MURMULUM OF THE CRYSTALLINE WATER, THE LIGHT THAT FILTERS BETWEEN THE LEAVES OF THE TREES, DYING THE LANDSCAPE LIME GREEN, AND THE SCENT OF NATURE CONTRIBUTE TO MAKING THIS PLACE, DECLARED A NATURAL RESERVE IN 1987, BEING ONE OF THE MOST SPECTACULAR ENCLAVES IN THE WHOLE PENINSULA.  ALL THE VISITOR THAT COMES WILL TAKE A MEMORY FOREVER OF ITS CRYSTALLINE WATERS AND ITS TURQUOISE COLOR POOLS
traunfall, upper austria, \nThe Traunfall is a waterfall of the Traun in Upper Austria.\nIt is located between the two villages Steyrermühl and Roitham, on the municipal boundary of Desselbrunn and Roitham. The waterfall has a drop of about twelve meters, a length of about 200 meters and a famous diving place.
A scenic view of Obruk Lake in Obruk village of Konya, Turkey
Rainbow Springs State Park is a Florida State Park located on US Highway 41, three miles (5 km) north of Dunnellon, Florida.
A small waterfall in the rainforest at Wentworth Falls, New South Wales, Australia, one of the most scenic picnic grounds in the Blue Mountains.
Still water in nature
Africa, South Ethiopia, Traditional boat on the Omo river
El Charco Verde, a famous natural landmark, at the scenic black sand beach in El Golfo, a nature reserve in Lanzarote, Canary Islands, Spain.
The Sau reservoir, at historic low water levels
Picturesque Turquoise lake at the bottom of old quarry. Nature background
Blue Waters of the spring Blue Eye, Albania
Stari Grad, Croatia - June 25, 2014: Features of the inner courtyard of  \
Green moss growing in the pond
Coomba Falls just outside of Maidenwell in rural Queensland
Hole desert Atacama Chile
http://photos.giorgiomagini.it/istock/tuscan-countryside.jpg
Plitvice Lakes National Park Croatia. Mountain landscape with many streams of water and waterfalls. Travel and nature concept.
Water of hot spring in Chae Son national park in Lampang province, Thailand
a ceramic tub filled with very dirty water is dark green in color
A narrow cove leads to a sea cave.
Free Images: "bestof:Athanasius Kircher Interior of the earth.jpg The interior of the earth with subterranean lakes rivers and pools of fire according to Athanasius Kircher 1678"
1794_Samuel_Dunn_Wall_Map_of_the_World_in_Hemispheres_-_Geographicus_-_World2-dunn-1794.jpg
Athanasius Kircher.jpg
cave-australia-underground-geology-389057.jpg
Andrena_hirticincta_,_f,_back,_Maine,_Du_Clos_2015-12-01-11.09.jpg
Eucera_aragalli,_f,_back,_Pennington_Co,_South_Dakota_2015-12-01-13.02.jpg
Eucera_aragalli,_f,_face,_Pennington_Co,_South_Dakota_2015-12-01-13.15.jpg
Eucera_aragalli,_f,_side,_Pennington_Co,_South_Dakota_2015-12-01-13.34.jpg
Wasp_species,_U,_face2,_Dominican_Republic,_La_Ve_2012-12-11-15.50.jpg
Vespidae_2,_F,_back,_Wyoming,_Park_County_2013-03-14-15.07.jpg
Cave interior flowing water with low ceiling and many small stalactites.jpg
Cave interior waterway with arched ceiling and flowing water in channel.jpg
Osmia_conjuncta,_F,_MD,_side_2015-11-20-22.08.jpg
Andrena_hirticincta_,_f,_face,_Maine,_Du_Clos_2015-12-01-11.24.jpg
Osmia_conjuncta,_F,_MD,_back_2015-11-20-21.40.jpg
Osmia_conjuncta,_F,_MD,_face_2015-11-20-21.54.jpg
Andrena_illini,_f,_side,_Somerset_Co,_MD_2016-03-16-12.51.jpg
Leptinotarsa_juncta,_back,_pg_county,_md_2016-06-17-10.56.jpg
Megachile_xylocopoides,_F,_Face,_Florida_2014-01-14-11.00.jpg
Megachile_xylocopoides,_F,_Side,_Florida_2014-01-14-11.07.jpg
emerald_ash_borer,_head,_md_2016-03-03-17.14.jpg
Andrena_illini,_f,_back,_Somerset_Co,_MD_2016-03-16-12.00.jpg
Andrena_hirticincta_,_f,_side,_Maine,_Du_Clos_2015-12-01-11.37.jpg
Megachile_relativa,_420668,_Garett_co,_Back_2016-06-27-14.30.22_ZS_PMax_UDR.jpg
Andrena_illini,_f,_face,_Somerset_Co,_MD_2016-03-16-12.35.jpg
Leptinotarsa_juncta,_side,_pg_county,_md_2016-06-17-11.07.jpg
Tiger,_eastern_neck_nwr,_back_2015-05-26-05.58.48_ZS_PMax.jpg
Megachile_xylocopoides,_F,_Back,_Florida_2014-01-14-10.51.jpg
Lasioglossum_georgeckworti,_F,_Face,_NY,_Queens_2014-04-22-14.24.47_ZS_PMax.jpg
Anthidium_manicatum,_m,_back,_Middlesex_Co,_MA_2015-12-09-14.04.jpg
Jumping_spider_full_view,_beltsville,_md_2016-08-06-16.59.jpg
Megachile_mendica,_f,_right_side,_Pr._George's_Co._Maryland_2016-03-29-16.41.jpg
Agapostemon_virescens,_f,_face,_Caroline_Co._MD_2016-04-15-17.28.jpg
Agapostemon_virescens,_f,_thorax,_Caroline_Co._MD_2016-04-15-17.38.jpg
Andrena_arabis,_F,_side,_beltsville,_md_2016-03-24-16.04.jpg
Andrena_arabis,_f,_face,_beltsville,_md_2016-03-24-16.48.jpg
Andrena_arabis,_f,_back,_beltsville,_md_2016-03-24-16.30.jpg
Nomada_Bidentate_Group,_Face_2016-06-27-15.34.jpg
Lasioglossum_,_f,_propodium,_Humboldt_Co._CA_2016-04-16-00.30.jpg
Lasioglossum_2,_f,_face,_Humboldt_Co._CA_2016-04-15-23.20.jpg
Osmia_georgica,_m,_face,_Maryland_2016-06-27-17.52.jpg
Osmia_georgica,_m,_back,_Maryland_2016-06-27-17.40.jpg
Bombus_perplexus,_m,_left_side,_Centre_Co.,_PA_2016-10-20-11.10.jpg
Anthidium_porterae,_m,_back,_Hidalgo_Co._NM_2016-06-27-11.24.jpg
Megachile_relativa,_420668,_Garett_co,_Face_2016-06-27-14.36.49_ZS_PMax_UDR.jpg
Melissodes_rivalis,m,face,Lincoln_Co,_WY_2016-02-25-11.24.jpg
Hoplitis_simplex,_m,_side,_Charles_Co,_MD_2016-04-15-22.49.jpg
Hoplitis_simplex,_m,_back,_Charles_Co,_MD_2016-04-15-22.29.jpg
Scorpion,_Arkansas,_FT,_curl_2016-05-10-16.15.jpg
Hoplitis_simplex,_m,_face,_Charles_Co,_MD_2016-04-15-22.38.jpg
Stelis_nitida,_F,_Back,_Michigan,_Keweenaw_County_2014-11-06-12.59.jpg
Nomada_Bidentate_Group,_Side_2016-06-27-15.43.jpg
Lasioglossum_,_f,_face,_Humboldt_Co._CA_2016-04-16-00.19.jpg
Megachile_relativa,_420668,_Garett_co,_Side_2016-06-27-14.47.07_ZS_PMax_UDR.jpg
Nomada_tiftonensis,_m,_face,_Minnesota_2016-06-27-17.27.jpg
Andrena_confederata,_f,_side,_Pr_Georges_Co,_MD_2016-03-16-11.44.jpg
Protoxaea_gloriosa,_f,_face,_Cochise_Co.,_AZ_2016-09-07-10.55.jpg
Anthidium_manicatum,_m,_face,_Middlesex_Co,_MA_2015-12-02-12.19.jpg
Anthidium_manicatum,_m,_side,_Middlesex_Co,_MA_2015-12-02-12.37.jpg
Tiger,_eastern_neck_nwr,_face_2015-05-26-06.03.21_ZS_PMax.jpg
Bombus_vagans,_m,_face,_Centre_Co.,_PA_2016-10-20-11.20.jpg
Megachile_petulans,_f,_left_side,_Charleston_Co.,_SC_2016-09-02-17.22.jpg
Svastra_duplocincta,_f,_face,_Pima_Co.,_Tucson,_AZ_2016-08-01-11.29.jpg
Colletes_brevicornis,_f,_face,_Pr._George's_Co._Maryland_2016-03-29-15.57.jpg
Andrena_gnaphalii,_f,_back_2,_Santa_Barbara,_CA_2016-08-12-17.10.jpg
Megachile_mendica,_f,_back,_Pr._George's_Co._Maryland_2016-03-29-16.18.jpg
Bombus_perplexus,_m,_face,_Centre_Co.,_PA_2016-10-20-10.59.jpg
Hylaeus_leptocephalus,_f,_back,_Dorchester_Co,_MD_2016-02-09-12.19.jpg
Anthophora_urbana,_back,_Hidalgo_Co.,_NM_2016-09-30-16.54.jpg
Megachile_mendica,_f,_face,_Pr._George's_Co._Maryland_2016-03-29-16.28.jpg
Megachile_exilis,_m,_back,_Pr._George's_Co.,_MD_2016-03-15-23.48.jpg
Megachile_coquilletti,_f,_left_side,_Pima_Co._Tucson,_AZ_2016-07-19-16.11.jpg
Colletes_brevicornis,_f,_back_2,_Pr._George's_Co._Maryland_2016-03-29-15.31.jpg
Stelis_nitida,_F,_Side,_Michigan,_Keweenaw_County_2014-11-06-11.09.jpg
Anthophora_californica,_m,_face,_Hidalgo_County,_NM_2016-08-12-18.14.jpg
Megachile_coquilletti,_f,_back,_Pima_Co._Tucson,_AZ_2016-07-19-15.37.jpg
Anthophora_urbana,_left_side,_Hidalgo_Co.,_NM_2016-09-30-17.10.jpg
Andrena_carlini,_f,_back,_Cecil_Co._Maryland_2016-03-29-14.03.jpg
Heriades_carinata,_f,_side,_Prince_George's_Co,_MD_2016-04-15-22.16.jpg
Melissodes_tepaneca,_f,_face,_SC,_Jasper_Co_2015-11-24-17.39.jpg
Stelis_foederalis,_M,_Side,_Michigan,_Keweenaw_County_2014-11-04-16.53.jpg
Melissodes_bimaculata,_m,_right_side,_Caroline_Co._Maryland_2016-06-27-15.20.29_ZS_PMax_UDR.jpg
Dasymutilla_gloriosa,_right_side_2,_Cochise_Co.,_AZ_2016-09-02-14.37.jpg
Macropis_nuda,_f,_back_redo,_Maine,_Du_Clos_2015-12-03-10.47.jpg
Megachile_policaris,_back,_chambers_co,_Texas_2016-07-27-18.00.jpg
Megachile_exilis,_m,_face,_Pr._George's_Co.,_MD_2016-03-16-00.05.jpg
Andrena_fenningeri,_f,_face,_Pr._George's_Co._MD_2016-10-20-13.55.jpg
Megachile_policaris,_side,_chambers_co,_Texas_2016-07-27-18.21.jpg
Melitoma_taurea,_m,_face,_Baltimore_City_Co.,_MD_2016-03-16-01.21.jpg
Megachile_coquilletti,_f,_face,_Pima_Co._Tucson,_AZ_2016-07-19-15.58.jpg
Agapostemon_virescens,_f,_right_side,_Caroline_CO._MD_2016-04-15-17.09.jpg
Megachile_policaris,_face,_chambers_co,_Texas_2016-07-27-18.10.jpg
Megachile_exilis,_m,_face,_Pr._George's_Co.,_MD_2016-03-16-00.05.jpg
Heriades_carinata,_f,_back,_Prince_George's_Co,_MD_2016-04-15-21.57.jpg
Melissodes_tepaneca,_f,_back,_SC,_Jasper_Co_2015-11-24-17.12.jpg
Stelis_foederalis,_M,_face,_Michigan,_Keweenaw_County_2014-11-04-17.30.jpg
Melissodes_confusa,_F,_Side,_UT,_Garfield_County_2014-06-17-17.09.jpg
Stelis_foederalis,_F,_side,_Michigan,_Keweenaw_County_2014-11-04-16.41.jpg
Hylaeus_leptocephalus,_f,_face,_Dorchester_Co,_MD_2016-02-09-12.35.jpg
Diadasia_rinconis,_back,_Pima_Co.,_AZ_2016-09-30-17.20.jpg
Stelis_foederalis,_F,_face,_Michigan,_Keweenaw_County_2014-11-04-16.26.jpg
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