Mukesh Ambani owns the world's first billion-dollar house
India's richest man Mukesh Ambani is known to have built the world's first billion-dollar house in Mumbai, according to Forbes. The 27-storey building named 'Antilia' is complete with three helipads, a 50-seater cinema, a six-level parking area, nine elevators, a spa and a ballroom. Notably, Mukesh Ambani celebrated his 60th birthday on April 19, 2017.