Taylor Swift fans from across Mexico arrive to the capital's Foro Sol venue several hours before her first show of a Latin America tour, which will also take the pop superstar to Argentina and Brazil.
The "Eras" Tour concerts will be the 33-year-old singer-songwriter's first proper tour of Latin America.
In Mexico, where young people earn an average salary of $366 a month according to official data, fans have paid between $55 and $614 for tickets.