The Kawah Ijen Volcano in East Java, Indonesia has an active vent which is a source of elemental sulfur. The sulfur, which is deep red in color when molten, pours slowly from the ends of these pipes and pools on the ground, turning bright yellow as it cools. Photographer Olivier Grunewald has recently made several [...]
The river shown in the photographs is the Caristales, which is located near the town of La Macarena in Columbia, South America. The river, world famous for its colourful display, has been called “the river that ran away to paradise”, “the most beautiful river in the world” and “the river of five colours”.