[In pictures] Scientists begin to explore viruses at hydrothermal vents 3 km underwater

According to foreign media reports, an international scientific research group has sailed from Mexico to explore the viruses at deep—sea hydrothermal vents which are 2 miles (about 3.2 kilometers) beneath the sea. Ultra—high temperature hot water full of toxic chemicals gushes from the cracks in the earth's crust. Gigantic tube worms, ghost—white crabs and other strange organic lives including tiny bacteria gather around this distinctive life web live there.