Podcast:99% Invisible Published On: Tue Feb 06 2018 Description: When current President Donald Trump took office, he promised to build an “an impenetrable, physical, tall, powerful, beautiful, southern border wall." The first part of this episode by Radio Diaries tells two stories of what happens when, instead of people crossing the border, the border crosses the people. Then, in part two of the show, Avery Trufelman takes a closer look at eight current designs that have been turned into prototypes near the border in California. Border Wall Learn more about Radio Diaries Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.