Movile Cave in Romania Reveals Unique Ecosystem Sealed for 5.5 Million Years
Movile Cave in Romania, sealed off from the outside world for 5.5 million years, hosts a unique ecosystem with 48 species that thrive without sunlight. Discovered in 1986, the cave's ecosystem relies on chemosynthetic bacteria that oxidize hydrogen sulphide, methane, and ammonia for energy. This environment supports a variety of species, including eyeless spiders and centipedes, which have adapted to the dark, toxic conditions. The cave's isolation has allowed these species to evolve independently, providing a natural experiment in evolutionary biology. 
