By Joseph Gamp An man was warned of the dangers of urban exploring after accidentally stumbling across on an abandoned staircase that led to a bizarre discovery. The man – known only as Dan – took to Reddit to share snaps of his bizarre discovery, which he captioned: “Stumbled upon a staircase hidden by trees, which leads to an underground tunnel today. It’s near a reservoir that also appears to have bunkers knocking around too. Could it be something cool, or just some drainage?” In one of the images posted to the online forum by Dan – who describes himself as “urban explorer. Beer enjoyer. Po…
