Cyprus - Things to Avoid - Military Crossing Do not wander into areas close to the 'Green Line'; which is patrolled by UN peacekeepers and by the Turkish and Greek Cypriot security forces. Crossing the line anywhere other than at the official Ledra Street checkpoint in Nicosia, either by accident or on purpose, is dangerous and may result in imprisonment. If you do cross, you must return by 5pm the same day. Military Zones Britain's sovereign bases in the south, at Akrotiri (Episkopi) and Derynela, are also used by US forces and are likely to be on heightened alert in these security-conscious times. Do not intrude on military installations. The same applies to Turkish Army personnel, equipment and installations in the occupied North. Photography ' Restrictions As well as avoiding taking photographs of military installations, vehicles and army personnel (including UN soldiers on the "Green Line",  it is best not to take photographs at airports or government buildings, especially in the North.