Heads of border services of Shanghai Cooperation Organization (SCO) member states pose for a group photo during their meeting in Tashkent, Uzbekistan, June 6, 2019. Heads of border services of the Shanghai Cooperation Organization (SCO) member states held their 7th meeting on Thursday in Tashkent. Participants exchanged views on border issues between SCO member states at the meeting. (Xinhua/Cai Guodong)