Sabine adjusted her respirator mask with one hand, and with the other sprayed on the finishing touches to her latest graffiti masterpiece.

She gave the aerosol can a hefty shake and listened to it rattle as the paint mixed around inside, all before she pressed down on the valve and let the paint hit the wall in a flurry of colours.

She set her can down once she believed herself to be complete and took a step back to admire her work as removed her mask.