Or: why not to put the carpenters in charge of their own scaffolding

Wedge some two-by-twos across an alleyway and sling a few boards on top - hey, presto, it's scaffolding! Or so they believe in Crete.

Thanks to Terry Lockhart for this picture of joinery repairs being carried out in a rather alarming manner above a pedestrian alleyway, as passers-by wander freely below.

Crete scaffolder on precarious scaffolding