It all started with bugs

Eager to learn and share knowledge about natural history, a Chinese has become a social media star, Zhang Xingjian reports.

Zhang Chenliang's interest in natural history has earned him a big following in Chinese social media, with his answers to thousands of questions on everything from entomology and zoology to botany and geography.

Widely known as the "man of natural history", or Bowu Jun in Chinese, Zhang now boasts 6 million followers on Sina Weibo.