A young seal gained widespread attention on social media in China after swimming 200km to return to an island where it had lived for months following its release into the wild.This two-year-old seal marks its second return to a human-inhabited area after being freed into open seas.Internet users were touched by videos showcasing the seal, affectionately named Nana, as it returned to the shores of Dachangshan Island in northeastern China’s Liaoning province.Nana was released into the ocean on...