As carnival celebrations are held across the globe, more than two dozen craftsmen in a quaint studio in northern Albania put the final touches on a series of elegant Venetian masks destined for balls, film sets, and street parties.A lion's share of the masks crafted this season were delivered across the Adriatic Sea to Venice, where this year's carnival was dedicated to Marco Polo -- one of the city's most iconic residents with celebrations marking 700 years since his death.