Shoppers in London, however, were in for a frightening ride recently. The lift at the Southside Shopping Centre in Wandsworth, London, gave shoppers a true scare. The elevator had a realistic optical illusion painted, just like that Anti-smoking ceiling we featured before. This time the floor was done in a way to appear it was missing. As customers stepped onto the elevator, their hearts skipped a beat as they were surely in for a surprise.