Photo taken on Jan. 13, 2017 shows Martin Kropff, director general of the International Maize and Wheat Improvement Center (CIMMYT), being interviewed in Texcoco, Mexico. When a team from the CIMMYT ascended the stairs of the Great Hall of the People in Beijing to receive China's International Science and Technology Cooperation Award, it marked the culmination of 32 years of cooperation. (Xinhua/Francisco Canedo)
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