WATCH: Countdown for Expo 2020 Dubai is on

Two years to go to Expo 2020 Dubai graphic

Expo 2020 Dubai, a six-month-long world fair will kick off in two years' time - on October 20, 2020.

With about 26,000 workers already on site, the number is expected to increase up to 40,000 in 2019 to keep up with the tight schedule.