A view of Guoco Tower (R), where a luxury penthouse at Wallich Residence is located, is seen in Singapore on July 10, 2019. – British billionaire inventor James Dyson has splashed out a reported 54 million USD on the biggest, most expensive penthouse in Singapore, a three-floor residence with a rooftop terrace, private pool and jacuzzi. (Photo by Roslan RAHMAN / AFP) (Photo credit should read ROSLAN RAHMAN/AFP/Getty Images)