Gut drones, livestreams and T-Rex

Wuhan is often called 'China's Chicago', and its Optics Valley is hailed as the country's 'Silicon Valley'. Erik Nilsson explores its high-tech zone, including what he sees as 'China's Hollywood for the mobile-internet age'.

Editor's Note: This is Part 4 of the six-part Yangtze diaries series based on journalist Erik Nilsson's recent 35-day, 2,000-kilometer journey to 11 cities to discover how the Yangtze River Economic Belt has transformed over the 40 years since the reform and opening-up. Scan the code to watch the video.

I recently drove a gut drone in "China's Hollywood for livestreamers", as I call it. That is, I used two joysticks to remotely operate a gastrointestinal-camera robot the size and shape of a pill in Wuhan's Optics Valley.