If  you have some money, you go to Paris, France for your holiday. If you're  rich, you go to Ibiza, Spain for your holiday but if you're the world's  richest man, you rent a $5million-a-week super yacht that cost  $330million to build.  Bill  Gates, worth $76billion, his wife Melinda and their three children  Rory, Jennifer and Phoebe are holidaying in a super luxury yacht moored  off the coast of Sardinia, Italy.     The 436ft yacht called The Serene is owned by Stolichnaya vodka  magnate, Yuri Scheffler, and is the world's 9th largest yacht. It has  two  helicopter landing pads, 12 staterooms, which includes a  master suite, one VIP stateroom, seven double cabins and three twin  cabins. It has an indoor climbing wall, a dedicated children's playroom,  a fully equipped spa and club, three external swimming pools and one  indoors, and an underwater viewing room. See photos of the family on  board the yacht after the cut     Read more »