Her most recognized works are Rattenkönig/Rat King (1993), a giant circle of black polyester rats, included in the 1999 Venice Biennale. Other works includeMönch (Monk) (2003), a stoic, monochromatic male figure, made of solid polyester with a smooth, matte black surface; Figurengruppe / Group of Figures(2006-2008), an installation of nine elements; and Hahn/Cock (2010), a 14 ft (4.3m) cockerel in ultramarine blue to be shown on London's Trafalgar Squarefor 18 months from 25 July 2013.[3]