Marble Cave, Chile Chico, Chile & The most spectacular caves network in the world and this Marble Cathedral is absolutely magnificent. It& located in Patagonia, Chile on the second largest freshwater lake in South America, General Carrera.
Lenticular Cloud over Klyuchevskaya Sopka Mountain, Russia by Denis Budkov. Klyuchevskaya Sopka is a stratovolcano, the highest active volcano of Eurasia. Its steep, symmetrical cone towers about 100 kilometres from the Bering Sea.