857-86791 - A cave explorer on a speleothem at the first doline, or skylight, in Hang Son Doong while two other explorers illuminate a large passage leading to the second doline 1.5 kilometers away.
846-2104 - Dome fresco of The Last Judgement by Giorgio Vasari and Federico Zuccari inside the Duomo, Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe
846-2105 - Dome fresco of The Last Judgement by Giorgio Vasari and Federico Zuccari inside the Duomo, Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe
832-38797 - Skylight windows, roof, roof structure, window, old building, refurbishment, housing, house building, construction, North Rhine-Westphalia, Germany, Europe
817-229239 - Interior of the Minnesota state capitol The building was designed by Cass Gilbert The unsupported dome is the second largest in the world, after Saint Peters Work began in on the capitol in 1896, and construction was completed in 1905 It is the
685-1117 - Skylight, view through cooled lava to molten lava below, with plumes of steam as lava reaches the sea beyond, Kilauea Volcano, Hawaii Volcanoes National Park, UNESCO World Heritage Site, Island of Hawaii (Big Island', Hawaii, United States of America, North America
685-1116 - Skylight, view through cooled lava to molten lava below, Kilauea Volcano, Hawaii Volcanoes National Park, Island of Hawaii (Big Island', Hawaii, United States of America, North America