How much snow? Here's day 21 of our Advent calendar.This video can not be playedTo play this video you need to enable JavaScript in your browser.How much snow? Here's day 21 of our Advent calendar.CloseHow much snow? Here's day 21 of our Advent calendar.Published21 December 2018SectionBBC NewsSubsectionScotlandShareclose panelShare pageCopy linkAbout sharingRead description