Possible Clues:

• Sort of dancing?
• Where we may see spinning globe -- space
• Possible murder scene in the original version of Cluedo, between the kitchen and the conservatory
• Everything bagged by cleaner in large hall
• Place for a gala
• Function venue one used to sweep round completely
• Cleaner goes round everything in dance hall
• Sweeper covers entirety of hall
• Cleaner covering everything in part of palace, maybe
• Everyone cutting shrub finds a place to dance