Sheikh Mohammed bin Rashid al Maktoum (2nd R), vice president and prime minister of the United Arab Emirates (UAE) and ruler of Dubai, and Abu Dhabi Crown Prince Sheikh Mohammed bin Zayed Al Nahyan (1st R) attend the opening ceremony of the Expo 2020 Dubai in Dubai, the United Arab Emirates, Sept. 30, 2021. Postponed due to the COVID-19 pandemic, the Expo 2020 Dubai will be held from Oct. 1, 2021 to March 31, 2022. (Xinhua)
