Mapping the summit data from the Scottish Munro's to Wainwrights and Peak District to Snowdonia.
Using data from a range of mountain summits, each line represents the height of an individual mountain.
Ordered west to east (left to right), the longer the line, the taller the mountain.
The shading represents the point of the highest peak within the range and each of the four mountains are drawn to the same scale so the overall height can be compared across the series.
