Photo taken on June 5, 2015 shows the capsized cruise ship Eastern Star being hoisted in the section of Jianli on the Yangtze River, central China's Hubei Province. The search and rescue team has righted the capsized cruise ship in the Yangtze River on Friday morning. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Xiao Yijiu)

Rescuers work on the top of the sunk cruise ship Eastern Star in the section of Jianli on the Yangtze River, central China's Hubei Province, June 5, 2015. The search and rescue team has righted the capsized cruise ship in the Yangtze River on Friday morning. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Xiao Yijiu)

Photo taken on June 5, 2015 shows the capsized cruise ship Eastern Star upright in the section of Jianli on the Yangtze River, central China's Hubei Province. The search and rescue team has righted the capsized cruise ship in the Yangtze River on Friday morning. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Xiao Yijiu)

Photo taken on June 5, 2015 shows the capsized cruise ship Eastern Star being hoisted in the section of Jianli on the Yangtze River, central China's Hubei Province. The search and rescue team has righted the capsized cruise ship in the Yangtze River on Friday morning. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Li Kaiyong)

Rescuers work to hoist the capsized cruise ship Eastern Star in the section of Jianli on the Yangtze River, central China's Hubei Province, June 5, 2015. The search and rescue team has righted the capsized cruise ship in the Yangtze River on Friday morning. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Sun Wanyu)

Photo taken on June 5, 2015 shows the capsized cruise ship Eastern Star being hoisted in the section of Jianli on the Yangtze River, central China's Hubei Province. One side of the capsized Eastern Star was rolled above water as of 7:30 a.m. Friday, as rescuers worked through the night to right the upturned ship in the Yangtze River. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Xiao Yijiu)

Rescuers work on the top of the sunk cruise ship Eastern Star in the section of Jianli on the Yangtze River, central China's Hubei Province, June 5, 2015. The search and rescue team has righted the capsized cruise ship in the Yangtze River on Friday morning. Over 450 people were on board the cruise when it sank on Monday night in Jianli. (Xinhua/Xiao Yijiu)