I did watch a good portion of it live, pretty damn cool actually!
Some pointers on the 2h video above
0:05 - bride and groom getting ready to dive
0:10 - bride and groom entering the cave system, scooter passages
0:29 - bride and groom arrive in the air dome
0:34 - ceremony starts in the air dome inside the cave system
1:24 - bride and groom arrive back to open water
1:51 - wrap up ceremony on land with the mayor
Apart from a funny speech by the reverend, it was also quite impressive logistically. Live video broadcast via fibre optical cable, field telephone from inside the cave to call the mayor, a trumpet player in the cave, champagne toast in the cave, some 69 attendees *inside* the cave, ...
Maybe someone on this board was there and can share some impressions after they sober up tomorrow? (Partying with Fins afterall)