Photo taken on Oct. 16, 2018 shows a general view of the joint opening ceremony of the 3rd China-Central and East European Countries (CEEC) Meeting of Ministers of Transport and the 3rd China-CEEC Capital Mayors Forum in Belgrade, Serbia. Transport cooperation between China and Central and East European Countries (CEEC) within the 16+1 mechanism should be strengthened so that interconnection would accompany the trend of increasing trade among these countries, China's Transport Minister Li Xiaopeng made the suggestion at the 3rd China-CEEC Meeting of Ministers of Transport here on Tuesday. (Xinhua/Nemanja Cabric)