
2015's Nobel laureate in Physiology or Medicine Tu Youyou stands on stage during the Nobel Prize award ceremony at the Concert Hall in Stockholm, capital of Sweden, Dec. 10, 2015. (Photo: Xinhua/Ye Pingfan)
2015's Nobel laureate in Physiology or Medicine Tu Youyou stands on stage during the Nobel Prize award ceremony at the Concert Hall in Stockholm, capital of Sweden, Dec. 10, 2015. (Photo: Xinhua/Ye Pingfan)