The first yacht by the well known Italian company Riva completely built in light aluminium alloy, the 122-foot motor yacht Mythos also represents the largest yacht in the world ever produced by this legendary shipyard. Scheduled for launch in February 2014, the Riva 122′ yacht Mythos is currently under construction at CRN in Italy‘s Ancona. Below is a video showing work in progress, released by Riva.