He spent five days, working 12 hours a day, to create the 250 square metre
image of the crevasse, which, viewed from the correct angle, appears to be 3D.
He then persuaded passers-by to complete the illusion by pretending the
gaping hole was real.
'I wanted to play with positives and negatives to encourage people to think twice
about everything they see,' he said. 'It was a very scary scene, but when people
saw it they had great fun playing on it and pretending to fall into the earth.
'I like to think that later, when they returned home, they might reflect more on
what a frightening scenario it was and say, "Wow, that was actually pretty scary."
Mueller, who has previously painted a giant waterfall in Canada, said he was
Inspired by the British 'Pavement Picasso' , whose dramatic but
More gentle 3D street images have been featured in the Daily Mail.
I hope that this inspires you to do something really big!