BBCNEWS BBC News April 1, 2022 09:53:00
Remaining part of york castle. hundreds of years in all weathers — sun and snow, just like today — have taken their toll. so to conserve the walls, every single stone has been tested as part of the major conservation works here. you can see the pink stone there, and the pink is actually fire damage from the catastrophic fire that occurred in 1684. and so here we've got the pinkness of the stone, but not only the pink colour, but also the fracturing of the surface of the stone. these walkways, part of the £5 million project, will offer visitors views not seen since the floors were destroye...