Photo taken on April 14, 2019 shows the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)

Photo taken on April 14, 2019 shows a conference hall in the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)

Photo taken on April 14, 2019 shows a hall in the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)

Photo taken on April 14, 2019 shows a stairway at the entrance of the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)

Photo taken on April 14, 2019 shows a conference hall in the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)

Photo taken on April 14, 2019 shows a banquet hall in the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)

Photo taken on April 14, 2019 shows a hall in the Kohi Navruz (Navruz Palace) in Dushanbe, Tajikistan. The building has 12 halls, each of which is made in a unique style. (Xinhua/Bai Xueqi)