Marble Cave, Chile Chico, Chile – The most spectacular caves network in the world and this Marble Cathedral is absolutely magnificent. It’s 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.
This picture, by amateur photographer Bertrand Kulik, a concert violinist, of a lightning bolt appearing to strike the Eiffel Tower is included in an exhibition of images of lightning strikes across France being held in Issy l'Évêque in Burgundy.