Aerial photo taken on Oct. 14, 2019 shows icebreaker Xuelong 2 moored in Shenzhen, south China's Guangdong Province. China's first domestically made polar icebreaker Xuelong 2, or Snow Dragon 2, will start its maiden voyage to the Antarctic from the southern Chinese city of Shenzhen Tuesday. Xuelong 2 will set sail on the country's 36th Antarctic expedition. Another icebreaker named Xuelong will also join the expedition, making it the first time that two polar icebreakers work together on China's Antarctic expedition. (Xinhua/Liu Shiping)