The unique and spectacular oeuvre of Niki de Saint Phalle (1930-2002) comprises such well-known works as her Shooting Paintings, Nanas, and the Tarot Garden in Tuscany. The Grotto in Hanover, which was redesigned and redecorated according to her plans, is the last large-scale project completed during her lifetime. This imposing artistic legacy is situated in the Baroque section of the Herrenhausen Gardens, one of Germany's most beautiful park landscapes...