Street art, and those who create it - those who dare, dream, fight, question and challenge, whether it be for rebellion or for necessity, for the past and for the future, for no reason and for vital ones, for themselves and for a greater good... in my mind encapsulates all that is historically significant about this medium.
What does this year hold for the urban innovation agenda in the UK? Like many others, I completely failed to predict the Brexit vote or the Trump Presidency. But I'm having another go at the crystal ball gazing this year because I still think it's useful to speculate about - and prepare for - the future. So, here are my five predictions for UK cities in 2017.
2016 is the biggest ever year for vegans, with brands such as Quorn releasing egg-free products, Guinness planning to create a vegan beer, and Ben & Jerry's announcing dairy-free ice creams. Universities are generally known as places that advocate this sort of forward thinking and embrace positive change. Why then do so many British universities seem so behind on providing vegetarian and vegan options in their student unions?