Chinese oceanographic research ship Xiangyanghong 03 leaves Xiamen, southeast China's Fujian Province, July 14, 2018. Chinese oceanographic research ship Xiangyanghong 03 departed for the country's 50th ocean research expedition Saturday in the western and eastern Pacific Ocean. The ship left Xiamen with 160 personnel on board for a 150-day mission over 15,000 nautical miles. (Xinhua)