DUBAI: It took more than 200,000 workers and 240 million hours of combined labor to bring the vast Expo 2020 Dubai site to life. Now, to express thanks to the workforce, a colonnade of 38 columns has been installed at the site’s Jubilee Park, with individual worker’s names carved in stone. Reem Al-Hashimi, Expo 2020 Dubai’s director-general, had the idea for the Workers’