Honoring sci-tech pioneers

On May 30, China celebrates its sixth annual National Science and Technology Workers Day. It is a day to celebrate China's latest scientific and technological achievements, and the innovative, insightful and industrious workers who created them.

Highlighting this year's theme of "striving for innovation excellence", "achieving self-reliance and strength" in sci-tech, we have profiled nine Chinese scientists and engineers.

Watch this video to learn their stories.