Aerial panoramic of Wildkirchli (Wild Chapel) and caves, Ebenalp, Appenzell Innerrhoden, Switzerland, Europe

Humberstone Saltpeter Works, UNESCO World Heritage Site, northern Atacama, Chile, South America

Aerial panoramic of Wildkirchli (Wild Chapel) and caves on rock face, Ebenalp, Appenzell Innerrhoden, Switzerland, Europe