Seattle, Wash., July 26, 2011 – Holland America Line will enhance ms Zaandam’s 2012 Asia itineraries by now offering five 14-Day Asia Explorer voyages. In addition, ms Zaandam will offer one unique 14-Day China and Korea voyage that will sail roundtrip Hong Kong with calls to Incheon (Seoul) and Jeju (Cheju) City, South Korea. The four unique itineraries offered on seven departures range from 14 to 28 days and give travelers ample time to discover the region’s historical and cultural landmarks, as well as explore its mystical allure.