Hadrian's Wall Day #3: The Triumphant Descent

The very first thing we did today after eating a Hearty Breakfast, was climb up a REALLY BIG HILL to the highest point of the walk. The air is so fresh and pure here, that this species of lichen grows on the wall. it is the ONLY PLACE in the UK where this lichen grows. You are just fascinated by this, aren't you? I can tell.
The Lichen:

Oh noes! A barbarian Scot is breaking through! Halp! Halp!



This is one of the only bits of the wall that hasn't been restored. It's still in pretty good nick...