It is slightly believable because the stairs are all riot stairs. In other words the stairs are all diagonal so if you walk straight up them you run into a wall.

And introducing “Something Is Squeezing My Skull,” the muscley, two-and-a-half-minute whine that will be his next single in England, he seemed almost fatalistic.

The train, minus the three abandoned trucks, again proceeded at a slow pace, with a pump trolley doing pilot ahead ; this was very necessary as a great many sleepers were found to have been burnt underneath the fishplates.

One encounters a similar situation in homology theory. Beside singular homology, which is a homotopy invariant, and Čech homology, which is a shape invariant, there exists strong homology, which is a strong shape invariant. In the special case of metric compacta, this homology was introduced by N.E. Steenrod in 1940 and is often referred to as the Steenrod homology.