FILE PHOTO: Taiwanese Vice President Chen Chien-jen attends an event to campaign for Taiwan to be recognised as a participant in the United Nations and World Health Organization, in Taipei, Taiwan March 10, 2018. REUTERS/Tyrone Siu/File Photo
FILE PHOTO: Taiwanese Vice President Chen Chien-jen attends an event to campaign for Taiwan to be recognised as a participant in the United Nations and World Health Organization, in Taipei, Taiwan March 10, 2018. REUTERS/Tyrone Siu/File Photo