Migrants (mainly from Chad, Niger, Mali, and Nigeria) greet each other during the football match of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019. (Photos: Xinhua)

Migrants (mainly from Chad, Niger, Mali, and Nigeria) play football as part of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.

A migrant watches the football match of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.

Migrants (mainly from Chad, Niger, Mali, and Nigeria) greet each other during the football match of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.

Migrants (mainly from Chad, Niger, Mali, and Nigeria) play football as part of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.

Migrants (mainly from Chad, Niger, Mali, and Nigeria) play football as part of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.

Migrants (mainly from Chad, Niger, Mali, and Nigeria) watch the football match of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.

Migrants (mainly from Chad, Niger, Mali, and Nigeria) play football as part of a self-organized league, in Souq Al-Juma'a area in Tripoli, Libya, July 26, 2019.