Photo taken on April 13, 2019 shows a parterre in downtown area of Dushanbe, capital of Tajikistan. (Photos: Xinhua/Bai Xueqi)

Aerial photo taken on May 21, 2019 shows the Nurek lake in Tajikistan.

Photo taken on April 13, 2019 shows the presidential palace in Dushanbe, capital of Tajikistan.

People visit Hisor Fortress, west of Dushanbe, Tajikistan, April 14, 2019.

Photo taken on April 14, 2019 shows a conference hall in the Kohi Navruz (Navruz Palace) in Dushanbe, capital of Tajikistan.

Photo taken on April 13, 2019 shows the National Museum in Dushanbe, capital of Tajikistan.

People take selfies at the Khatlon region, 70 km from Dushanbe, Tajikistan, April 12, 2019.

Children sing folk songs at the Rudaki Park in Dushanbe, capital of Tajikistan, June 11, 2019.

People display traditional food in Dushanbe, capital of Tajikistan, April 13, 2019.

Photo taken on June 11, 2019 shows the Rudaki Park in Dushanbe, capital of Tajikistan.

Students of the Confucius Institute at Tajikistan nationality university practise Chinese drawing in Dushanbe, capital of Tajikistan, June 10, 2019.

A vendor sells dried fruits and nuts in Dushanbe, capital of Tajikistan, June 10, 2019.