Dubai's return to 'mega-projects'

Dubai has announced plans for two new large-scale projects, following the country's property crash in 2008.

The first is for for the world's biggest shopping mall, 100 hotels and a green space bigger than London's Hyde Park. The other involves five large amusement parks.

A number of major projects were abandoned in the aftermath of the 2008 crash. What, if anything, has Dubai learned from the experience?

Jonathan Frewin reports.