Photo taken on March 30, 2018 shows beetle samples at an exhibition in Harbin, northeast China's Heilongjiang Province. About 450 kinds of beetle samples were displayed at the exhibition. (Xinhua/Wang Song)
People visit an exhibition of beetle samples in Harbin, northeast China's Heilongjiang Province, March 30, 2018. About 450 kinds of beetle samples were displayed at the exhibition. (Xinhua/Wang Song)
People visit an exhibition of beetle samples in Harbin, northeast China's Heilongjiang Province, March 30, 2018. About 450 kinds of beetle samples were displayed at the exhibition. (Xinhua/Wang Song)
People visit an exhibition of beetle samples in Harbin, northeast China's Heilongjiang Province, March 30, 2018. About 450 kinds of beetle samples were displayed at the exhibition. (Xinhua/Wang Song)
