Agents of the National Migration Institute detain a migrant during an operation to halt the progress of a caravan of migrants and asylum seekers in Chiapas state, Mexico on September 1, 2021.

Agents of the National Migration Institute detain a migrant during an operation to halt the progress of a caravan of migrants and asylum seekers in Chiapas state, Mexico on September 1, 2021.

© 2021 Jacob Garcia/Reuters