Each building did one job, and the shape is the job. Here are fifteen.
1. A Very Tall Pair of Doors Means Loaded Carts
Enormous doors in the middle of…
There is a difference between knowing something exists and knowing what shape it is, and the ocean floor was in the first category for a very long time.
That it…
The height is the mechanism, not the storage. Here are sixteen.
1. The Height Is the Pressure
Water pressure at a tap comes from the vertical distance down from the…
The cheapest components on the building, protecting the most expensive ones. Here are eleven.
1. They Stop the Roof Edge Being Fed Into the Wall
A roof with no gutter…
A few metres can be worth a couple of degrees and three weeks. Here are fourteen.
1. A Wall Facing the Sun Is a Storage Heater
Masonry absorbs heat through…
Somebody laid it, and then everybody dug it up. Here are ten.
1. Large Rectangular Slabs Mean Somebody Was Spending
Big sawn stone flags were expensive and were laid where…