Staff members arrange flowers for a decorating parterre to greet the fifth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) in Tajikistan's capital Dushanbe, June 13, 2019. (Xinhua/Sadat)

The logo of the fifth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) is seen in Tajikistan's capital Dushanbe, June 13, 2019. (Xinhua/Sadat)

A decorating parterre to greet the fifth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) is seen in Tajikistan's capital Dushanbe, June 13, 2019. (Xinhua/Sadat)

A decorating parterre to greet the fifth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) is seen in Tajikistan's capital Dushanbe, June 13, 2019. (Xinhua/Sadat)

A decorating parterre to greet the fifth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) is seen in Tajikistan's capital Dushanbe, June 13, 2019. (Xinhua/Sadat)

A decorating parterre to greet the fifth summit of the Conference on Interaction and Confidence Building Measures in Asia (CICA) is seen in Tajikistan's capital Dushanbe, June 13, 2019. (Xinhua/Sadat)