'Good? My idea'
Media playback is unsupported on your device

Trump's Mexico solar wall 'idea'

President Trump has put forward the idea of covering his proposed border wall with Mexico in solar panels. At a campaign-style rally in Iowa, he said such a wall would generate energy and pay for itself.

This video has been optimised for mobile viewing on the BBC News app. The BBC News app is available from the Apple App Store for iPhone and Google Play Store for Android.

  • 22 Jun 2017