Around 1999-2000 the "Oslo Process" which created those jurisdictional grey areas collapsed into it's current state, things got violent and the raves ended.
Funny how "what's normal" depends on where you're from. Middle Eastern no-mans-land seemed like a cool place for a party, to 16 yo me. Frozen lake in winter seems way to dangerous to even consider. What sort of a lune would go to a frozen lake party?!!