Greenman, on the left above, is an artist and environmental activist who's a frequent participant at environmentalist and cycling advocacy events. Javier earns tips as a performer and human statue.
At a recent Smart Cities conference held at Corferias the two met for the first - and perhaps the last - time.
Some of us, of course, would argue that all bicyclists are 'green', no matter how they dress.
By Mike Ceaser, of Bogotá Bike Tours