this is seriously the coolest thing I can recall ever hearing the fans doing
The cherry pickers, the shortest of which was 65 feet off the ground according to Sportsmail, held between two to four fans each, many of whom let off flares during the race.
The Stadion Zuzlowy has a capacity of 13,000, however only a quarter of seats are currently allowed to be filled in order to adhere to social distancing guidelines amid the coronavirus pandemic.
According to WP Sportowe Fakty, there were three cranes present at the first race of the season, and nine at the second, but the number escalated to 21 for the third, and it could be even higher for the next race.
Check out the video on Twitter... I can't find any one YouTube to embed so you can see it here