In pics: icebergs in sea during China's 36th Antarctic expedition (1/7)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)

The photo shows an iceberg on sea During China's 36th Antarctic expedition, China's first domestically made polar icebreaker Xuelong overcame various difficulties including colliding with icebergs. (Photo/Xinhua)