While most eyes are on the Tour de France, there's a much more intriguing form of cycling that's quickly becoming a phenomenon: underground bicycle messenger racing.
This is bike riding like you've never seen before, in gripping first-person perspective through the most hectic city streets, on expressways in Mexico City, over the frozen Charles River, under the Mediterranean Sea, across the Great Wall of China and deep into the jungles of Guatemala.
Sounds much more gripping than the winding, tree-lined roads of France.