Drive something like twenty kilometres down a dead end road, deeper and deeper into the rainforest, the Panama Canal to your left, until eventually you reach the waters of the Chagres River. Cross the narrow, low slung bridge over the river….and enter Gamboa. Gamboa is a place with an unusual history which is absolutely tangible as we walk past the mostly empty, odd looking box shaped timber houses, through the sultry, dripping rainforest yet feeling almost as if we’re in a residential street. Jungle sounds are all around, agoutis scurry past our feet and howler monkeys call overhead yet we could just as easily be walking through American military quarters.…