The two neighbors are bound by a 1944 water-sharing treaty. But much of northern Mexico is in the grip of severe drought, and the country has fallen well behind in its water deliveries.
When Donald Trump took office in January, he promised mass deportations and a crackdown on immigration.
President-elect Donald Trump has threatened 25% tariffs on Mexican goods unless more is done to stop illegal immigration and illegal drugs.
The cost of Mexico’s 1,500-kilometer train line has ballooned to more than $28 billion.
A group of Mexican women, "Las Patronas," are helping migrants on their journey north.
In Mexico, sounds of the organ grinder are fading away.
