There is a grub screw that seems to allow a metal rod to slide up and down through the 5 metal cylinders on the hinge. I can't see any way of adjusting the hinges though. The door is sticking badly.
The images of the hinges are here:
https://ibb.co/0J9zkP2
https://ibb.co/18hL63s
https://ibb.co/q5tkLTd