Wexford made his way down this alley to a point where the wall had caved in, leaving a gap.

Leticia Zevallos, for example, had to move out of her house after the back walls caved in.

There were only 32 seconds left when the roof, walls and floor caved in.

And truth be told, he had expected something more derelict even than Sanctuary, with roofs gone, walls caved in.

Soon the world was upside down and the walls caved in to admit the rider on the white horse.

"Here's where the wall caved in between George and me," Nancy explained.

A wall on the right had caved in, causing a huge rock slide that sloped up into the ceiling.

And other buildings, with the walls just caved in, it looked like.

There was a breathless moment after the first shock wave before the wall caved in.

Roman headed to a spot where the walls and ceiling had caved in.