This is not, it seems, comet Ikeya-Zhang's first visit to the sun.

ECONOMIST: Comet Ikeya-Zhang is enlivening the skies

Those triumphs led Zhang to abandon his doctorate plans and, with Sun, co-found startup Greedy Intelligence.

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The delegation comprised of Professor Hingmin Zhang, a leading expert on housing in China, and Professor Nanshen Sun, who is Dean of the law school at Fudan University.

BBC: Chinese delegation visits Epsom to study social housing