The stunning Kawah Ijen at Volcano Ijen in Java, Indonesia 04 May 2016
About this photo
Kawah Ijen at Volcano Ijen, Indonesia, is the world's largest acidic volcano crater lake. The lake, famous for its turquoise-coloured water, is around 900 metres long and 650 metres wide.
Get lost in a guidebook: Insight Guides: Indonesia.