Pritzker Prize 2021 Laureates, French architects Anne Lacaton and Jean-Philippe Vassal, founders of Lacaton & Vassal, are known for their “never demolish” principle and their notion of sustainability embodied in a three-pillar balance: economic, environmental, and social. In this exclusive video for ArchDaily, Martha Thorne, executive director of the Pritzker Architecture Prize and Dean of IE School of Architecture and Design, shares some of the reasons why Lacaton & Vassal has won the Pritzker Prize 2021.