The best of these reject any 'don't touch' attitude in favour of an open invitation to curiosity that might just see your toddler tell you to sit down and read a book ...
Now in its 10th year, the competition was started by Jake Warren and Brayden Dorney, who had a shared interest in facial hair and building a community that celebrates the differences that make people unique ...
Photographer Lorenzo Grifantini looks at how the Italian capital's historic centre has gradually reorganised itself around the uninterrupted flow of visitors and the expectations projected on to it ...