816-7897 - Experimental Breeder Reactor I (EBR-I), the world's first electricity-generating nuclear power plant, Arco, Idaho, United States of America, North America
816-7898 - Experimental Breeder Reactor I (EBR-I), the world's first electricity-generating nuclear power plant, Arco, Idaho, United States of America, North America
816-7899 - Experimental Breeder Reactor I (EBR-I), the world's first electricity-generating nuclear power plant, Arco, Idaho, United States of America, North America
465-3323 - One of the first combined photovoltaic/solar panelled and green roofs built in the world, experimental roof built in 1990s, Berlin, Germany, Europe
832-314179 - Bio technology in a bio laboratory, analysis of chemical an biological processes, analysis of DNS and molecules, conditioning for researches and eperiments, conditioning of cell cultures, Germany
832-314180 - Bio technology in a bio laboratory, analysis of chemical an biological processes, analysis of DNS and molecules, conditioning for researches and eperiments, conditioning of cell cultures, Germany
763-295 - Ecuador's capital and second largest city students on the way to Manuela Canizares Experimental Girls School, New Town area, Quito, Ecuador
763-776 - Circular agricultural terraces at Moray near Cuzco where the Incas experimented with plants from different parts of their empire, Highlands, Peru
763-296 - Ecuador's capital and second largest city students going to Manuela Canizares Girls School for typing classes in New Town area, Quito, Ecuador