e/Doors Open Canada

Information
has gloss	eng: Doors Open Canada is a national program by Heritage Canada, based on the Doors Open Days concept. It aims to expose architecture and heritage through the exploration of hidden historical, architectural and cultural gems. Buildings that are normally closed to the public, or which charge an entrance fee, welcome visitors to look around for free.
lexicalization	eng: Doors Open Canada
instance of	e/Doors Open Days