Researcher spends 16 years studying snake

Shedao island covers just 0.73 square kilometers, but is home to tens of thousands of one particular type of serpent

Would you be afraid of living alone on a small island with nearly 20,000 snakes?

"There is nothing to be scared of," said Wang Xiaoping, a researcher with the administrative bureau at the Liaoning Snake Island-Laotie Hill National Nature Reserve.