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CHINA-SICHUAN-YIBIN-YANGTZE STURGEON-CONSERVATION (CN)

(230712) -- CHENGDU, July 12, 2023 (Xinhua) -- This file photo shows Zhou Liang (L, bottom) takes roes from a Yangtze sturgeon. Zhou Liang, 51, is the director of Yibin Institute of Rare Aquatic Animals. He started to study with his father the subject of artificial breeding of rare fish since 1993. Since the successful artificial propagation of parent fish of Yangtze sturgeon bred in the institute in 1998, the whole artificial propagation of the rare fish and the production of three generations of fry have been realized one after another. Yangtze sturgeon, also known as Dabry's sturgeon, has lost its natural ability to reproduce since 2000 due to overfishing and water pollution, among other factors. The International Union for Conservation of Nature declared the species extinct in the wild in July last year. In March this year, a field breeding experiment is conducted in an inner river course of a section of the Yangtze River in Yibin. During the experiment, 10 male and 10 female mature parent fish of Y

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(BEIJING2022)CHINA-BEIJING-OLYMPIC WINTER GAMES-SHORT TRACK SPEED SKATING-MEN'S 5,000M RELAY-SEMIFINAL (CN)

(220211) -- BEIJING, Feb. 11, 2022 (Xinhua) -- Sven Roes (L) of the Netherlands and Lee Juneseo of South Korea compete during the men's 5,000m relay semifinal of short track speed skating at Capital Indoor Stadium in Beijing, capital of China, Feb. 11, 2022. (Xinhua/Wang Yuguo)

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(BEIJING2022)CHINA-BEIJING-OLYMPIC WINTER GAMES-SHORT TRACK SPEED SKATING-MEN'S 5,000M RELAY-SEMIFINAL (CN)

(220211) -- BEIJING, Feb. 11, 2022 (Xinhua) -- Jens van't Wout of the Netherlands, Kim Dongwook of South Korea, Sven Roes of the Netherlands, Denis Airapetian of ROC, Lee Juneseo of South Korea (L to R) compete during the men's 5,000m relay semifinal of short track speed skating at Capital Indoor Stadium in Beijing, capital of China, Feb. 11, 2022. (Xinhua/Yang Lei)