Panting slightly, the man stops and bends with his hands on his knees. The back of his T-shirt is damp with sweat. He lowers himself onto the wooden seat behind him and tips his head back. Mouth open, he breathes in cool air before wiping his face on his arm. Looking at the distance mode on his fitness watch, he sees the total since leaving home is ten kilometres. He quickly calculates that he will have run twenty kilomet...