Tribes from Sudan's Nuba Mountains celebrate the International Day of the World's Indigenous Peoples in the capital Khartoum on Aug. 9, 2021, in Khartoum, Sudan.(Photo: Xinhua)
Tribes from Sudan's Nuba Mountains celebrate the International Day of the World's Indigenous Peoples in the capital Khartoum on Aug. 9, 2021, in Khartoum, Sudan.(Photo: Xinhua)
Tribes from Sudan's Nuba Mountains celebrate the International Day of the World's Indigenous Peoples in the capital Khartoum on Aug. 9, 2021, in Khartoum, Sudan.(Photo: Xinhua)
Tribes from Sudan's Nuba Mountains celebrate the International Day of the World's Indigenous Peoples in the capital Khartoum on Aug. 9, 2021, in Khartoum, Sudan.(Photo: Xinhua)