The United Arab Emirates is the United Emirates, with seven emirates united. Among them, Abu Dhabi Emirates is the largest and richest in resources. The chief of the Emirates of Abu Dhabi is also the president of the United Arab Emirates. When the Dubai Tower was built by the Emirates of the United Arab Emirates, it was the Emirates of Abu Dhabi who paid for the completion of the world's tallest tower when there was no money to build it. So the real name of the Dubai Tower is Harifa, the chief of Abu Dhabi. Abu Dhabi's eight-star Palace hotel, Sheikh Zayed mosque, Ferrari sports car park and so on are world-famous tourist attractions.