The system uses QR codes to distinguish whether event attendees have followed the testing and vaccination guidelines necessary for entry.
Though it's a relief Tomorrowland is returning to the festival landscape, questions remain as to what the festival's immediate future will hold.
Only people from the European Union and visitors from "countries that have the coronavirus under control" will be allowed to attend music festivals, according to a health official.
Nine days of protest events continue at venues across Brussels and Wallonia in Belgium.
Both female casualties died from the excessive drinking of water, which was caused by the combination of drugs, the dancing, and the blazing hot temperatures during both weekends.
Over 15,000 fans descended on Antwerp, Belgium for two nights of heavy dubstep and drum n bass.