2,279,557 views 130 on YTPak
4,975 248

Published on 22 Nov 2012 | over 4 years ago

www.bbc.co.uk/programmes/p0115wg9 The world's tallest building, the Burj Khalifa in Dubai, has the world's highest windows. Dallas joins the team whose heart-stopping job it is to clean them.

Loading related videos...