JELLYFISH SWIM, BIRDS FLY AS ROBOTS TAKE OFF

Inspiration from natural world drives creativity

Cai Yu developed his hobby into a career soon after he graduated with a doctoral degree in electronic engineering at the University of Houston in the United States in 2009.

The then 31-year-old, who once fulfilled his dream of driving across the Arizona desert in the southwest of the country, is keen on wild birds - the eagle being his favorite.