To be honest, it's a credit to the fact that they seem to realise that things are possible to do. Whilst that wall is f***ed, the costs of demoing and reinstalling a wall there would no doubt be horrendous. Plus if it gives out the potential to cause serious damage below means something would of had to be done quickly.Looks like they where there for a couple days. Whilst I'd not be happy leaving that as a permanent fix myself, I'm not there. Every chance that wall is a bit more impressive than concrete blocks! Got to hand it to em....