Meet Yahya Jan, the architect building the world's tallest hotel, Dubai's Ciel Tower
https://edition.cnn.com/style/article/yahya-jan-profile-dubai-ciel-tower-spc-intl/index.html
One of the problems with hotel consists of the high building is that guests will have to wait for a long time to go to restaurant or reception to checkout. Why?
That's because many people rush to elevator(s) to go there. So, the number of the elevators would be important to let guests stay more comfortably.
