Watch The Hole (2021) HD Full Movie Free on solarmovie.do. Watch The Hole (2021) online free. The extraordinary adventure of the young members of the Piedmont Speleological Group who, having alr...The extraordinary adventure of the young members of the Piedmont Speleological Group who, having already explored all the caves of Northern Italy, changed course in August 1961 and went South to explore other caves unknown to man.