A fire drill is conducted on Chinese deep-sea explorer ship Zhang Jian as it sails in waters near the equator at the Pacific Ocean, Aug 2, 2016. The ship sailed across the equator into the southern hemisphere on Aug 2. [Photo/Xinhua]
A research team take a group photo on Chinese deep-sea explorer ship Zhang Jian as it sails in waters near the equator at the Pacific Ocean, Aug 2, 2016. The ship sailed across the equator into the southern hemisphere on Aug 2. [Photo/Xinhua]
Chinese deep-sea explorer ship Zhang Jian sails in waters near the equator at the Pacific Ocean, Aug 2, 2016. The ship sailed across the equator into the southern hemisphere on Aug 2. [Photo/Xinhua]
A rainbow is seen ahead Chinese deep-sea explorer ship Zhang Jian as it sails towards the equator at the Pacific Ocean, Aug 1, 2016. The ship sailed across the equator into the southern hemisphere on Aug 2. [Photo/Xinhua]
A research team take a group photo on Chinese deep-sea explorer ship Zhang Jian as it sails in waters near the equator at the Pacific Ocean, Aug 2, 2016. The ship sailed across the equator into the southern hemisphere on Aug 2. [Photo/Xinhua]
