. Cunning Cover-ups: London’s Best-hidden Ventilation Shafts – Healthy Ride
Cunning Cover-ups: London’s Best-hidden Ventilation Shafts IMPORTANT. Please register for rides on Eventbrite so we can limit numbers, link: https://www.eventbrite.co.uk/e/cunning-cover-ups-londons-hidden-ventilation-shafts-tickets-2003634123600?aff=oddtdtcreator London’s network of tunnels (for tubes, trains and sewerage) needs […]