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Video: Hangzhou airs documentary ahead of G20 summit

Oksana Konoval is a Ukrainian biologist who has spent several years in Hangzhou, capital of Zhejiang province. She is working on a project to raise the egg yield of Shaoxing ducks, a breed that originated in Zhejiang. Her story is part of a documentary on expatriates aired by Hangzhou in the runup to next month's G20 Leaders Summit.