Eerie video of empty stands and deserted crowd enclosures show the stark reality of Covid restrictions on the first day of the Cheltenham Festival.The four-day horse racing spectacle which attracted 251,684 fans last year is taking place behind closed doors for the first time in its 161-year history.Drone footage shows empty spectator stands, abandoned car parks and deserted fields which are usually bustling with racegoers.This video was filmed on the 16th March 2021.