GCN Presenter Simon Richardson & endurance cyclist Jenny Graham are spending a whirlwind 24 hours in the Colombian city of Medellin. Once the country's murder capitol, this cities dark past is long gone, now a safe a vibrant place, described as one of the most cycling friendly cities in Latin America. Si is heading to the hills to ride the world famous Alto de las Palmas & meet legendary figureheads of Colombian cycling including Santiago Botero, Rigoberto Uran & frame builder Tino Hincapie. Jenny is exploring the colourful Comuna 13 with Champion trials rider Xavier Zapata.