Glastonbury 2016 has got off to a miserable start, with heavy rain causing traffic mayhem for those attempting to make their way to the festival. Those who have arrived at Worthy Farm face a long slog through mud that will only get worse as it is churned up by tens of thousands of boots and trolleys laden with booze.

Glastonbury Festival 2016: All you need to know IBTimes UK

Guidance sent out via the festival's Twitter account told those that have not yet left not to set off; those on their way to "stop somewhere safe and warm"; and for everyone to be prepared "for your journey to take longer than usual".

Here's a look back at some really muddy Glastonbury festivals over the years.