Did Singapore's Changi Steal Qatar's Airport Design?

Skift Take
Singapore's Changi Airport Group has refuted allegations by Qatar Airways that it copied the design of Hamad International Airport’s expansion, which bears a striking resemblance to Changi’s Jewel.
Qatar Airways and Hamad International Airport CEO Akbar Al Baker, at a press conference in Doha last month unveiling the second expansion phase of the international airport, told the media: “When I show you the images later [of the planned expansion], you will realize that somebody copied our design, which was already on the table nearly six years ago … We had individuals from that country, I will not name it, that took our design and did it.”
Though he did not name Singapore as that country, it was clear he was referencing Changi’s Jewel, which opened in April this year, and Moshe Safdie, who led a consortium of architects to create Jewel.
A report by AirlineGeeks even quoted Al Baker as saying, “Without having to go to anybody