December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.

crater lake flores indonesia kelimutu southeast asia tiwu ata polo tiwu nua muri koo fai acid awe beauty in nature caldera color image colorful crater day earth science environment fumarole geography geology geoscience horizontal island lake land feature landform nature no people outdoors photography physical geography rock formation scenic serene surrounding walls terrain topography tranquility turquoise volcanic volcanic craters volcanic landscape volcano vulcanology water