The premier heavy-lift ship transports one of the largest cargoes ever moved in one piece, custom-built transporters fight earth's driest desert to deliver a 100-ton telescope, and an army of walking diggers repairs massive damage before winter's snow.

Avalanches threaten the Winter Olympics but a helicopter provides the power to overcome mother earth, a country builds an amibious system of flood defenses in a fight to survive beneath sea level, and a specialized crane is key to reuniting two countries.