Then, finally, you begin. You are moving and eventually comes the realisation that, assuming you manage the feat of placing one foot in front of the other, you will make it. You dump the hardback book and pistol, scoff the food, quaff the drink; your bag gets significantly lighter. The sun comes out and all the mountains stand before you. With luck, there are no more cars, no power lines or pavements for a long time to come.