Bicycle-sharing system in Zona Rosa area, Bogota, Colombia, South America

Scenic view of Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, Pacific Ocean, United States of America, North America

Baby Black Rhinoceros, Pilanesberg National Park, North West Province, South Africa, Africa

Lake Sandoval and Aguaje palms, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America

Views of Seven Rila Lakes, Bulgaria, Europe

Eco friendly swimming pool and solar panels in background, residential home, near Ahmedabad, Gujarat, India.

Chinese people using traditional bicycles for commuting around Tiananmen Square in Peking now Beijing, China in the 1980s

Bicycles propped on old building in Narlai village in Rajasthan, Northern India

Chinese people using traditional bicycles for commuting in Peking, now Beijing, China in the 1980s

Holiday homes, Husavik, 'house bay', Iceland, Europe

Sailing boats on Lac Leman Switzerland