Staple Hill Railway Path Tunnel

[captain nemo1701]

Watch out folks....
http://www.bristolpost.co.uk/news/bristol-news/brazen-gang-youths-ambush-cyclists-83846

Further on from here I've encountered motorbike 'yoof' and also so stupid twits on a quad bike:

 

[Floating Bombus]

Well I've never seen that but I'm not particularly surprised. I have seen a small gang of teens on motorised (extremely noisy but not terribly fast) scooters (kick along type) and of course there are always burn marks from stolen then burnt scooters (of the motorbike sort).