All the wrecks have been around 100m long, too.

You can be part of RSE’s Wreck Exploration Project on a series of week-long trips, starting on 12 July when GUE’s Jarrod Jablonski will be among the divers.

Other upcoming dates aboard liveaboards Nouran or Tala are 13 December, and 31 January and 7 February 2019.

You pay 990 euros for the boat, transfers, guides and nitrox, plus technical diving charges – 175 euros for a Tech Pack (twin-sets, stages and two DPV dives), 250 euros for a Rebreather Pack (Lola double tanks, Sofnalime, stages and two DPV dives), and set charges for mixed gases. Add airfare.