The only stadium purpose-built for the 2019 Rugby World Cup is set to open Sunday in the Iwate Prefecture port city of Kamaishi.Built on the grounds of two schools that were badly damaged by the tsunami that caused such widespread destruction following the Great East Japan Earthquake on March 11, 2011, Kamaishi Unosumai Memorial Stadium will be one of the smallest stadiums ever used for rugby's flagship tournament.But the emotional impact and long-term benefits of the new ground are immeasurable, as the city -- which saw 1,064 of its 39,400 citizens die in the disaster -- looks to rejuvenat…READ FULL ARTICLE