Rainer Spurzem, a German scientist who works for the National Astronomical Observatories under the Chinese Academy of Sciences, is leading a team to build a supercomputer named Tiger in the observatories. On Dec 5, China's top political leader Xi Jinping met with 20 foreign experts working in China. Spurzem was one of them. He talked about his supercomputer project and his China dream in an exclusive interview with China Daily.

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Reporter: Cheng Yingqi

Videographer: Cong Ruiting & Lou Yi

Video: Cong Ruiting

Producer: Flora Yue