The photo, taken on May 20, shows more than 400 automobiles waiting to be loaded onto ships at a roll-on and roll-off (ro-ro) terminal of Changsha New Port. These automobiles would be transferred in Yueyang and exported to Saudi Arabia, the United Arab Emirates and other countries and regions. Water transport has the advantages of low freight cost, low energy consumption, and less pollution, while ro-ro transport improves the efficiency of automobile loading and unloading and reduces logistics costs. (Photo/Fu Cong and Zhou Haoyu, Hunan Daily)

The photo, taken on May 20, shows more than 400 automobiles waiting to be loaded onto ships at a roll-on and roll-off (ro-ro) terminal of Changsha New Port. These automobiles would be transferred in Yueyang and exported to Saudi Arabia, the United Arab Emirates and other countries and regions. Water transport has the advantages of low freight cost, low energy consumption, and less pollution, while ro-ro transport improves the efficiency of automobile loading and unloading and reduces logistics costs. (Photo/Fu Cong and Zhou Haoyu, Hunan Daily)

The photo, taken on May 20, shows more than 400 automobiles waiting to be loaded onto ships at a roll-on and roll-off (ro-ro) terminal of Changsha New Port. These automobiles would be transferred in Yueyang and exported to Saudi Arabia, the United Arab Emirates and other countries and regions. Water transport has the advantages of low freight cost, low energy consumption, and less pollution, while ro-ro transport improves the efficiency of automobile loading and unloading and reduces logistics costs. (Photo/Fu Cong and Zhou Haoyu, Hunan Daily)