mass grave of soldiers killed in wwii near the walls of valdai iversky svyatoozersky virgin monastery

architecture army battle building complex culture dead died entombment granite grave great guard hero heroism historic history homeland island iversky killed lake landmark mass memorial memory men military monastery monument outdoor park patriotic patriotism people plate red russia russian sculpture selvitsky soldier soldiers soviet star statuary svyatoozersky tomb travel union ussr valdai victory virgin walls war warrior world wwii