Groundsman stumbles across room, sealed for more than 100 years, that was part of 12th-century Manchester hall Groundsman stumbles across room, sealed for more than 100 years, that was part of 12th-century Manchester hall A sinkhole that opened up on a Manchester golf course has exposed a wine cellar abandoned for more than a century. The cellar, along with dozens of empty wine and port bottles, was discovered by a groundsman who assumed the hole was nothing more than a collapsed drain. The