Guy Martin's adventures in Colombia continue with truck racing, investigating a narco-submarine and sampling coca tea. But first in this clip let's see how cable cars save hundreds of crimes a year in Colombia and Guy gets stuck in to fix one at its highest peak point! Welcome to the only official Guy Martin Proper YouTube channel. Make yourself a cup of tea or twenty & follow every race, every build and every country Guy visits. Fair play. Subscribe here https://bit.ly/2OwyYOY #guymartin #colombia #ourguyincolombia