The project will be handled by the British Foster + Partners, who created the round Apple Park in California.If the project in Riyadh is realized, the building will leave far behind the current record holder – the 828-meter Burj Khalifa in Dubai – as well as the Jeddah Tower under construction in Jeddah with a height of a kilometer.When construction will begin and be completed, they don’t say. The

This beauty was built on the Chinese island of Hainan. In its best years it had its own IMAX-cinema and underground shopping center, and there were 6668 rooms to choose from, including 7-star rooms.Despite the ambitiousness of the project, which in addition cost $1 billion, now it is all empty – the buildings have almost ceased to serve and there is even talk of demolition