A new project has started in Germany to build the world's first building where Christians, Jews and Muslims can [play / pray] . It is called the 'House of One'. The project's leaders hope it will open in 2016. They are [asking / questioning] people to donate money to help build it. The project will cost €43.5 million to [end / finish] . The idea started in 2009 [after / following] archaeologists in Berlin were [digging / dug] and found the city's earliest church, [called / calling] the Petrikirche. An architect called Wilfried Kuehn decided it would be a good idea to build a [mega-religion / multi-religion] building on the same site. Mr Kuehn said: "We [speedy / quickly] agreed that something [vision / visionary] and forward-looking should be built on what is the [founding / finding] site of Berlin." The project's Jewish leader, Rabbi Tovia Ben-Chorin, said Berlin was the best place for the building because [for / of] what happened to millions of Jews [during / while] World War II. He said: "Berlin is the city of wounds and [miracles / miraculous] . It is the city in which the extermination of the Jews was [planning / planned] . Now, the first house in the world for three religions is to be built here." The Christian leader, Gregor Hohberg, [agreeing / agreed] , saying: "Berlin is the city of the peaceful [fail / fall] of the Berlin Wall and the [peaceful / peace] coexistence of believers from [different / difference] faiths." Muslim leader, Imam Kadir Sanci, hoped the building would let people from different [religious / religions] understand each other better. He said: "We want our children to have a future in which diversity is the [normal / norm] ."