| Title | : | Cleaning the world's tallest building Supersized Earth - BBC |
| Duration | : | 4 minutes, 20 seconds |
| Uploader | : | BBC |
| Added On: | : | 22 November, 2012 |
| Views | : | 7.5M times |
| Likes | : | 0 |
| Source | : | YouTube |
Subscribe and 🔔 to the BBC 👉 httpsbit.lyBBCYouTubeSubWatch the BBC first on iPlayer 👉 httpsbbc.iniPlayer-Home The world's tallest building, the Burj Khalifa in Dubai, has the world's highest windows. Dallas joins the team whose heart-stopping job
