People tour the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

People visit a handicraft fair at the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

A woman walks past a vehicle covered with textiles for sale at the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

People tour the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

A cat walks past a cafe at the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

This photo taken on May 1, 2026 shows a handicraft stall at the Old City of Baku, Azerbaijan. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

People tour the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)

People tour the Old City of Baku, Azerbaijan, on May 1, 2026. The Walled City of Baku, also known as the Old City of Baku, was inscribed on the UNESCO World Heritage List in 2000. (Xinhua/Chen Junfeng)