1116-49623 - Professor with muscular dystrophy with engineering student and professor discussing log book for water distillation system in a laboratory
1343-63 - Skip Brown surfs his whitewater kayak on a glassy standing wave on the Colorado River through the Grand Canyon, Arizona, United States of America, North America
1343-57 - Skip Brown paddles his whitewater kayak through rapids on the Colorado River through the Grand Canyon, Arizona, United States of America, North America
1343-50 - Photographer Skip Brown stand up paddle surfs challenging whitewater below Great Falls of the Potomac River, border of Maryland and Virginia, United States of America, North America
1343-34 - Skip Brown surfs his whitewater kayak on a glassy standing wave on the Colorado River through the Grand Canyon, Arizona, United States of America, North America
1343-47 - Photographer Skip Brown surfs his whitewater kayak through big water on the Potomac River below Great Falls, Virginia, United States of America, North America
1343-45 - Photographer Skip Brown stand up paddle surfs in winter challenging whitewater below Great Falls of the Potomac River, border of Virginia and Maryland, United States of America, North America
1343-36 - Photographer Skip Brown stand up paddle surfs a challenging whitewater wave on the Potomac River, Maryland, United States of America, North America
1343-46 - Photographer Skip Brown surfs his kayak on a whitewater wave on the Potomac River, border of Virginia and Maryland, United States of America, North America
1343-70 - Photographer Skip Brown on a stand up paddle board at the mouth of Havasu Creek in the Grand Canyon, Arizona, United States of America, North America
1343-53 - Photographer Skip Brown surfs his kayak on a whitewater wave on the Potomac River on the border of Virginia and Maryland, United States of America, North America
1343-37 - Photographer Skip Brown on his foiling kiteboard in the Atlantic Ocean off Nags Head, North Carolina, United States of America, North America
1343-43 - Skip Brown surfs his stand up paddleboard in fast moving whitewater on the Potomac River near Great Falls, Virginia, United States of America, North America
1343-51 - Photographer Skip Brown stand up paddle surfs challenging whitewater below Great Falls of the Potomac River, border of Virginia and Maryland, United States of America, North America
1343-35 - Photographer Skip Brown kiteboards next to Thomas Point Lighthouse on Chesapeake Bay near Annapolis, Maryland, United States of America, North America
1343-55 - Skip Brown stand up paddle surfs a whitewater wave on the Potomac River as an afternoon thunderstorm moves in, Virginia, United States of America, North America
832-389744 - Sunrise over Ammergau mountains, in the foreground summit cross of the Geierkopf with mountaineer and tent, Reutte, Ammergau Alps, Tyrol, Austria, Europe
832-389508 - Cross of the Kreuzspitze by a starry sky with tent and mountaineer at the summit, in the background the Lechtal Alps, Elmen, Lechtal Alps, Ausserfern, Tyrol, Austria, Europe
832-389354 - View from the World Heritage Site to the Hoher Dachstein, Dachstein Massif, Krippenstein cable car, Obertraun, Salzkammergut, Upper Austria, Austria, Europe
832-387878 - Mountaineer bivouacs at the summit of the Berchtesgadener Hochthron, Untersberg, Berchtesgadener Alps, Bischofswiesen, Berchtesgadener Land, Upper Bavaria, Bavaria, Germany, Europe
832-387877 - Mountaineer with a snack at the summit Rauher Kopf, Berchtesgadener Alps, behind Watzmann, Bischofswiesen, Berchtesgadener Land, Upper Bavaria, Bavaria, Germany, Europe
832-387876 - Mountaineer climbing the Rauhen Kopf, Berchtesgadener Alps, in the back mountain peak Hoher Goell, Bischofswiesen, Berchtesgadener Land, Upper Bavaria, Bavaria, Germany, Europe
832-386281 - Hikers in the midst of a herd of cows on the ascent to the summit of the Geigelstein, Sachrang, Chiemgau, Upper Bavaria, Bavaria, Germany, Europe
832-386530 - Cyclists, mountain bikers at the Kloo Aschauer Diensthuette, Kloo-Ascher Valley, near Bayrischzell, Upper Bavaria, Bavaria, Germany, Europe
832-386531 - Cyclists, mountain bikers at the Kloo Aschauer Diensthuette, Kloo-Ascher Valley, near Bayrischzell, Upper Bavaria, Bavaria, Germany, Europe
809-7997 - Musician playing a Nadaswaram, a tradional Indian wind instrument, Sri Mahamariamman Hindu Temple, Kuala Lumpur. Malaysia, Southeast Asia, Asia