Referred to by Li Xioadong as "a true master", Pritzker Prize-winning Pei was known for his bold modernist style, and illustrious portfolio of museums, libraries and civic centres.
Among his most significant works is the iconic glass-and-steel pyramid at the Musée du Louvre in Paris and the Museum of Islamic Art in Doha.
Elsewhere, Danish architect Bjarke Ingels was in the spotlight after he made a cameo appearance in HBO's fantasy epic Game of Thrones.
Ingels revealed the news on Instagram, where he posted a behind-the-scenes picture of himself in full costume along with personal friend Coster-Waldau, who stars as Jaime Lannister in the hit television show.
In the design world, The Barbican began its exploration of artificial intelligence at the launch of its More Than Human exhibition, which features installations by Es Devlin and Lawrence Lek.
Meanwhile at the V&A, the museum's latest exhibition named Food: Bigger than the Plate also opened, taking visitors on a tour through of the food cycle from compost to plate.
Architecture news this week included Diller Scofidio + Renfro's completion of the first section of a giant, looping park, which is set to open in London's Greenwich this summer.
Studio Libeskind revealed plans to build a museum on a cliff edge in Kenya's Rift Valley, which will resemble stalagmites and provide an "unprecedented educational and scientific experience".
Mayor Bill de Blasio revealed that the eight Trump Towers in New York were among the "biggest polluters" in the city, and called on Donald Trump to amend the structures to meet new environmental targets.
Dezeen reported on CES's decision to restore Lora DiCarlo's sex toy award, four months after it was controversially revoked for being "immoral" and sparked accusations of gender bias in the tech industry.
Piero Gandini resigned as CEO of the lighting brand Flos after 22 years in the role, in light of a clash of views with its new parent company, Design Holding.
This week also marked the opening of the prestigious Venice Art Biennale. Among this year's national pavilions is Ghana's earth-lined structure designed by David Adjaye, which references traditional Gurunsi earth houses.
Projects enjoyed by readers this week included the restoration of a medieval Tuscan hamlet, a three-storey nature retreat in Costa Rica and a house in Switzerland with asymmetric gables and angular clay cladding.