Europe's biggest urban paint festival returns to Bristol this weekend for the ninth year.
More than 350 artists from 40 countries will create works across Bedminster and they are hoping this year's Upfest will be the biggest so far.
Before the festival starts walls are painted over as the city becomes a blank canvas for artists.
With rain forecast, organisers have decided that artists can finish their work on Monday if necessary.
But even with an extra day, many artists are already behind schedule.
More than 700 artists applied to take part in Upfest 2017 and festival director Stephen Hayles says there is a big change this year.
As well as watching artists there will be a range of workshops for children to enjoy including pottery, badge making and rock guitar lessons.
With an estimated 8000 cans of spray paint being used over the course of the festival, organisers are confident the festival will make its mark on Bristol.