Maria Paz Gutierrez

In western Colombia, the Petronio Alvarez festival is the big event of the summer — five days of music and food and fashion. More than 100,000 people travel from all over the world to the city of Cali, where they celebrate the culture of the country's Afro-Colombian Pacific region. It's a huge party.

Housing segregation is in everything. But to understand the root of this issue, you have to look at the government-backed policies that created the housing disparities we see today.

Gene Demby explains how these policies came to be, and what effect they've had on schools, health, family wealth and policing.

For more on this story, check out this week's episode of the Code Switch podcast.