The Renault 5 was never particularly well known for towing anything, never mind a caravan. The twonk driving this one thought he'd use his Renault 5 to tow a caravan up a steep hill.
Happily a passing cyclist (how many objects of petrolhead derision can we fit in one video!) recorded the subsequent events on video. The cyclists comment, "It's running a bit rich," is something of an understatement.