They Could Not Believe Their Eyes
As the men studied the pipes, they realized these were connected to something underground. Their excitement was palpable now. After circling for about 100 meters from the strange metal periscopes, they spotted the concrete entrance — a dark rectangular hole that was sunk into the ground at an angle.
It was hidden by a grassy mound of overgrowth and dead leaves and covered with a wooden lid. With boyish excitement, the pair got to work removing the lid with a crowbar and peered inside.