Aren't you worried about getting gassed?
seriously sewers can be dangerous places.
(
funkenstein Be pure! Be vigilant! Behave!,
Sun 18 Sep 2011, 15:37,
archived)
I have a gas detector
and it's not much worse than old mines tbh
(
Paul_P http://www.Paul-hub.com,
Sun 18 Sep 2011, 15:45,
archived)