The aim is not to be adventurous for its own sake. It is to end up with the thing the place is good at, which is usually not the thing…
The useful habit when standing in an unfamiliar square is to look at what faces onto it, because the buildings around the edge record who wanted the space and what…
Source: Wikipedia
There is a wall in Cusco that tourists queue to photograph because of one stone in it, which has twelve angles and fits its neighbours on every one of…
The question worth asking at the entrance to any tunnel is what problem made digging cheaper than going around. Here are seventeen, and the answers.
1. Pedestrian River Tunnels
Source:…
The mistake is treating each journey as a separate problem to solve. The system has a logic, and learning the logic once is far quicker than working out ten routes…
Almost none of these are about a single person doing a small thing. They are about what a small thing becomes when several million people do it in a year.…