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Yemeni teacher Mohammed al-Ansi writes on a board as he teaches students the Chinese language at a school in Sanaa, Yemen, Feb. 10, 2020. (Photo by Mohammed Mohammed/Xinhua)
Yemeni teacher Mohammed al-Ansi writes on a board as he teaches students the Chinese language at a school in Sanaa, Yemen, Feb. 10, 2020. (Photo by Mohammed Mohammed/Xinhua)