• My new favourite place on Earth

    May 14โ€“15 in Indonesia โ›… 17 ยฐC

    Locals believe these waters hold the souls of the departed. On a scientific level, ๐—ž๐—ฒ๐—น๐—ถ๐—บ๐˜‚๐˜๐˜‚ ๐˜ƒ๐—ผ๐—น๐—ฐ๐—ฎ๐—ป๐—ผ is a masterclass in geology and chemistry.

    Submerged fumaroles bubble volcanic gases into the water, changing the temperature and pH. When oxygen meets dissolved minerals, redox magic occurs.

    The lakes change their colour independently and unpredictably.

    Ferric oxide will trigger red, dissolved copper and arsenic salts will play blue, and sulfur dioxide will shift blue into turquoise.
    Read more