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LOL, last summer (2019) we were both working in Rochdale and tried to do one explore a week after work. This resulted in what you see.. hehe...

@grindle, I used to bring a change of clothes but found it wasn't worth the trade-off trying to get changed in a high rise car park next to @slobberchops car and all the CCTV, ...mostly just brought a change of shoes... and my headlight.