Caldera

Emerald Volcanic Caldera Lake Winter Dawn in far above orchard blocks and irrigation lines in Switzerland

Emerald Volcanic Caldera Lake Winter Dawn

Olympus OM-1 · far above orchard blocks and irrigation lines in Switzerland

 Meteor Fragments Over Yunnan Caldera Moonlit Night in from a moonlit breakwater in Yunnan

Meteor Fragments Over Yunnan Caldera Moonlit Night

Panasonic Lumix DC-S9 · from a moonlit breakwater in Yunnan

 Emerald Volcanic Caldera Lake on Moon Surface in along a wave-cut shoreline in Alberta

Emerald Volcanic Caldera Lake on Moon Surface

Canon A-1 · along a wave-cut shoreline in Alberta