![](http://www.ecns.cn/hd/2020/01/06/3b60d541f4334ddfacfa4309c2d641ef.jpg)
China's research vessel KEXUE, or Science, docks at a port in Qingdao, East Chinas’s Shandong province, January 5, 2020. The vessel returned to the coastal city after completing its mission at the western Pacific Ocean. (Photo:China News Service/Ni Zuotao)
![](http://www.ecns.cn/hd/2020/01/06/bb7273e6b4444f8a88ac219f533c9765.jpg)
China's research vessel KEXUE, or Science, docks at a port in Qingdao, East Chinas’s Shandong province, January 5, 2020. The vessel returned to the coastal city after completing its mission at the western Pacific Ocean. (Photo:China News Service/Ni Zuotao)
![](http://www.ecns.cn/hd/2020/01/06/26327a728237480ba725a9c7d313814f.jpg)
China's research vessel KEXUE, or Science, docks at a port in Qingdao, East Chinas’s Shandong province, January 5, 2020. The vessel returned to the coastal city after completing its mission at the western Pacific Ocean. (Photo:China News Service/Ni Zuotao)