A documentary looking at plans to update the Panama Canal. This magnificent waterway cuts through 50 miles of tropical jungle, allowing ships to travel easily from the Atlantic to the Pacific. However, time has passed this engineering marvel by - many modern supercargo ships are three times the size the canal can safely accommodate, so plans are in motion to widen the structure. The project faces all manner of environmental challenges, as well as leaving the canal closed to… (thetvdb.com)