Sulphur Cosmos
Chih Yen Lu
Kawah Ijen - Sulphur Mining Crater
Paul Cowell Photography
Champagne Pool, Rotorua, New Zealand
Rusm
Acidic Sulfuric Lake, Kawah Volcano #1
Timothy Allen
Champagne Pool, Thermal Wonderland, New
4fr
Pallets Of Colors
Philippe Sainte-laudy Photography