David Cerny's bus
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Double decker bus does push-ups

A bus has been transformed into an exercising artwork that can perform push-ups.

Artist David Cerny created The London Booster by attaching huge arms, suspension mechanics and adding groaning sound effects to the 1957 double decker bus.

The Czech artist said the piece could be seen as ironic because push-ups are "a common exercise for every sportsman" but also punishment.

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