If in the event you attended were used Face Recognition System, you can buy your photos by following these steps:
•go to https://pix.endu.net/
•look for the event you are interested in
•upload your selfie
•choose only the photos you want to buy
After 2 hours from the conclusion of the payment, your photos will be available in your ENDU profile- photo section
Be careful: when the order is closed no more photos can be added