How Do You “Covertly” Install A 20-Foot Statue?

“Guerrilla artist Banksy has covertly cemented a 20-foot (6-metre) satirical statue protesting at the British legal system into a central London square. Banksy, best-known for sneaking his work into the Tate, has depicted the figure of justice as a prostitute with leather boots and a thong… The location, an ancient green just outside the City of London, was chosen because it was the site of Banksy’s last arrest.”