Cov tsiaj no muaj npe nrov rau nws ntau hom tsho tiv no thiab xim. Raws li lub teb chaws lub cim ntawm Mexico, cov kev ceev faj thiab lom zem "crumbs" nyob rau hauv ib qho chaw ntawm kev hwm ntawm cov laus tshaj plaws nyob rau hauv Amelikas, uas nws poj koob yawm txwv hnub rov qab mus rau ancient pre-Columbian lub sij hawm. Cov dev no nyiam nyob nrog tib neeg thiab xav tau yam tsawg kawg ntawm kev tu cev thiab kev tawm dag zog. Koj puas tau xav paub qhov twg tus dev me tshaj plaws hauv ntiaj teb tuaj los? Hauv kev tshaj tawm no, peb yuav tham txog keeb kwm nthuav dav ntawm Chihuahua yug, nws tus cwj pwm, nta, thiab lwm yam ntawm cov tsiaj.
in dev