A double rainbow is seen over the sea from the China's manned submersible Jiaolong, which conducts its dive in Yap Trench, June 5, 2017. There will be five dives for Jiaolong in the Yap Trench, and the last dive is planned for June 12. The dives will focus on research in deep-sea biotic communities and gene resources, according to scientists on the ship Xiangyanghong 09. (Xinhua/Liu Shiping)
ABOARD SHIP XIANGYANGHONG 09, June 5 (Xinhua) -- China's manned submersible Jiaolong completed its second dive in the Yap Trench on Monday.
The dive began at 7:12 a.m. local time and reached the planned depth of 5,100 meters at 9:55 a.m., where scientists worked for three hours and eight minutes.
Jiaolong collected samples of rock, sediment, deep-sea life and sea water in this dive, and recorded images of the seafloor.
"Jiaolong has brought back precious samples for research," said Chen Xinhua, chief scientist of the expedition's third stage.
Jiaolong is scheduled to conduct three more dives in the trench.