There is an old puzzle about a ship whose planks are replaced one at a time until none of the original timber remains, and the question of whether it is…
The useful habit is to ask what each feature is for rather than what it looks like. Nearly every one addresses a specific difficulty, and several address problems that are…
The useful way to read any station is to work out which of two plans it is, then look at how the roof is held up. Those two facts explain…
A built viewpoint is an argument about what matters in a landscape. Somebody chose the position, the height and the direction, and everybody who stands there afterwards sees what they…
The useful habit at any old doorway is to look at the threshold and the hinges before the door itself, because those two features carry most of the information. Here…
The useful thing to look at in any harbour is the wall - which direction it faces, how high it stands and where the entrance is - because that tells…