Famous for his public pyrotechnics, ’s gunpowder and ink work on paper depicts the view from space by aliens of his actual . 'Project to Extend the Great Wall of China by 10,000 Meters: Project for Extraterrestrials No. 10' explores the notion of the Great Wall as a symbol of division and boundary, juxtaposed with the original performance piece, which brought people together from around the world. It is a highlight of Sotheby’s upcoming 168开奖官方开奖网站查询:Contemporary Art Evening Sale (31 March, Hong Kong).