Kongjian Yu, one of the world's most famous landscape architects, has reportedly been killed in a plane crash in Brazil'sPantanal wetlands while making a film about his work. Yu, 62, was flying to a ranch in Mato Grosso do Sul state, near Brazil's western border with Paraguay and Bolivia, in a single-engine four-seater Cessna aircraft when the plane went down on Tuesday afternoon. Three others on board were also killed: two Brazilian filmmakers, Luiz Ferraz and Rubens Crispim Junior, and Marcelo Pereira de Barros, a well-known local pilot.