No 144: BBC Dimensions

SOMETIMES the true size of something is hard to understand without actually seeing it.

The BBC Dimesions site (http://howbigreally.com/) helps with this.

For example, this is the size of the moon, centred on London:

Which is smaller than the size of this:

Here is a visualisation of a terrible disaster that is happening now:

And finally something a bit lighter in mood:

It looks like the main stone for human sacrifices is just about where I teach economics...........