Jeff Kulak was a teenage urban explorer, spending his high school years below ground exploring the storm drains of his hometown of Edmonton, Alberta. “We even went to the city’s drainage office and asked for a map of the system – which they gave us,” he says.

from Pocket https://www.theguardian.com/cities/2018/aug/10/manhole-covers-a-window-into-a-citys-soul-in-pictures
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