The 390ft superyacht named Breakthrough, rumored to be owned by billionaire Bill Gates, is about to make its world debut at the Monaco Yacht Show with a staggering $645 million price tag. The ultra-luxury vessel boasts amenities like a basketball court, hospital, multiple libraries, offices, and a cinema, setting a new standard for luxury yachts. Breakthrough, from Dutch-shipyard Feadship, is hailed as the world's first hydrogen-powered superyacht, revolutionizing the industry with its innovative green technology. With accommodations for up to 44 crew members and an exclusive four-story townhouse for the owner, Breakthrough offers unparalleled luxury at sea. The onboard facilities include a pool with a glass bottom, hot tubs, a steam room, and a gym, creating a lavish experience for its occupants. The yacht operates solely on liquid hydrogen stored at -253°C, utilizing the emitted heat for various amenities, showcasing a commitment to sustainability and innovation. The project has set a new standard for environmentally friendly yachts, representing a significant leap towards greener practices in the maritime sector. Breakthrough's development reflects a collective effort to build a groundbreaking vessel that not only offers exceptional luxury but also incorporates new clean technology for a more sustainable future.