ong ▁D elta ▁of ▁southern ▁Vietnam , ▁there ▁is ▁an ▁inter la cing ▁d rain age ▁and ▁ir rig ation ▁canal ▁system ▁that ▁has ▁become ▁the ▁symbol ▁of ▁this ▁area . ▁It ▁joint ly ▁serves ▁as ▁transport ation ▁routes , ▁allowing ▁far mers ▁to ▁bring ▁their ▁produce ▁to ▁market . ▁In ▁North western ▁Vietnam , ▁Th ai ▁people ▁built ▁their ▁" val ley ▁culture " ▁based ▁on ▁the ▁cultiv ation ▁of ▁gl ut in ous ▁rice ▁plant ed ▁in ▁u pl and ▁fields , ▁requiring ▁ter rac ing ▁of ▁the ▁s lop es . ▁ ▁The ▁primary ▁festival ▁related ▁to ▁the ▁agr arian ▁cycle ▁is ▁" l ễ ▁h ạ ▁ đ i ề n " ▁( liter ally ▁" des cent ▁into ▁the ▁fields ") ▁held ▁as ▁the ▁start ▁of ▁the ▁plant ing ▁season ▁in ▁hope ▁of ▁a ▁b ount iful ▁har vest . ▁Trad itionally , ▁the ▁event ▁was ▁offici ated ▁with ▁much ▁pom p . ▁The ▁monarch ▁carried ▁out ▁the ▁rit ual ▁p low ing ▁the ▁first ▁fur row ▁while ▁local ▁dign itar ies ▁and ▁far mers ▁followed ▁suit . ▁Th <0xE1> <0xBB> <0x95> ▁ đ ị a ▁( de ities ▁of ▁the ▁earth ), ▁th àn h ▁ho à ng ▁là ng ▁( the ▁village ▁patron ▁spirit ), ▁Th ầ n ▁N ô ng ▁( god ▁of ▁agricult ure ), ▁and ▁th ầ n ▁l ú a ▁( god ▁of ▁rice ▁plants ) ▁were ▁all ▁v ener ated ▁with ▁pray ers ▁and ▁offer ings . ▁ ▁In ▁col lo