The biggest hotel in the world - MAAD projects. The owner contact MUNK in year 2011,  there are totally 22000 bathrooms. The first 3 towers, 4500 bathrooms already delivered in year 2015, and all installed well in year 2017. The second 5 towers 7000 bathrooms will start to deliver in year 2018. The whole project will be completed in year 2020. The contractor builder as a big company UNIPODS LLC. in Dubai.