Japan's Prime Minister Yoshihide Suga, left, shakes hands with Vietnam's Prime Minister Nguyen Xuan Phuc after the exchange of documents at the Government Office in Hanoi on Monday, October 19, 2020. 

Japan's Prime Minister Yoshihide Suga, left, shakes hands with Vietnam's Prime Minister Nguyen Xuan Phuc after the exchange of documents at the Government Office in Hanoi on Monday, October 19, 2020. 

© 2020 Nhac Nguyen/Pool Photo via AP