FILE PHOTO: A VLCC oil tanker is seen at a crude oil terminal in Ningbo Zhoushan port, Zhejiang province, China May 16, 2017. REUTERS/Stringer
FILE PHOTO: A VLCC oil tanker is seen at a crude oil terminal in Ningbo Zhoushan port, Zhejiang province, China May 16, 2017. REUTERS/Stringer