A drop of water from Lake Geneva magnified under the microscope reveals life intense, and often incredibly beautiful! Diatoms are found here, tiny, unicellular algae with astonishing shapes that live suspended in water. Present in all aquatic environments, they live either in colonies or in isolation. Lake Geneva counts over 500 different species. So, when you “drink the cup inadvertently during a swim, it may be “a whole world swallowed!