Caves have been, in many cultures, crucial liminal spaces where shamanistic ekstases occurred, bringing humans into contact with the spirits or the beyond. […] It is now a well-accepted hypothesis that cave paintings, such as the famous ones at Lascaux, must be interpreted as being part of ritual passages and actual liminal experiences.

That's according to NR Chief Executive Andrew Haines, who opened proceedings in the Rail Live seminar theatre with a keynote speech on June 16.

The Fringe Dwellers.

The game′s up, thought Piet as the Burghers returned fire and moved forward to attack the sangar.