) ▁ ▁T ec o aque ▁( 2 0 0 4 ) ▁ ▁Cu etz al an ▁and ▁its ▁Historical , ▁Cultural ▁and ▁Natural ▁S urr ounding ▁( 2 0 0 6 ) ▁ ▁Historical ▁city ▁of ▁Iz am al ▁( I z am al , ▁May an ▁continu ity ▁in ▁an ▁Historical ▁City ) ▁( 2 0 0 8 ) ▁ ▁Los ▁Pet enes - R ío ▁Cel est ún ▁( 2 0 0 8 ) ▁ ▁Las ▁Poz as , ▁X il it la ▁( 2 0 0 8 ) ▁ ▁Arch ▁of ▁Time ▁of ▁La ▁V enta ▁River ▁( 2 0 1 0 ) ▁ ▁Ring ▁of ▁c en otes ▁of ▁Ch ic x ul ub ▁Cr ater , ▁Y uc atan ▁( 2 0 1 2 ) ▁ ▁Las ▁Lab rad as , ▁S inal oa ▁arch ae ological ▁site ▁( 2 0 1 2 ) ▁ ▁P ending ▁trans bound ary ▁nomin ations ▁ ▁In ▁ 2 0 1 4 , ▁the ▁idea ▁to ▁nomin ate ▁the ▁Man ila - A cap ul co ▁G alle on ▁Trade ▁Route ▁was ▁initi ated ▁by ▁the ▁Mexican ▁amb assador ▁to ▁UN ES CO ▁with ▁the ▁Filip ino ▁amb assador ▁to ▁UN ES CO . ▁ ▁An ▁Exper ts ' ▁Round table ▁Me eting ▁was ▁held ▁at ▁the ▁University ▁of ▁Santo ▁Tom as ▁( UST ) ▁on ▁April ▁ 2 3 , ▁ 2 0 1 5 ▁as ▁part ▁of ▁the ▁prepar ation ▁of ▁the ▁Philippines ▁for ▁the ▁possible ▁trans n