Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. (Terry Pratchett)
"Light thinks it travels faster than anything, but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it."Reaper Man by Terry Pratchett
But looking at the picture there is no road behind them, only the path going up the mountain?