In February 1964 , two days before filming began in Durango , Mexico , Columbia underwent a corporate shake-up and the film 's budget was slashed from $ 4.5 to $ 3 million .
Durango /location/administrative_division/country Mexico
Mexico /location/location/contains Durango
Mexico /location/country/administrative_divisions Durango
IN NNP CD , CD NNS IN VBG VBD IN NNP , NNP , NNP VBD DT JJ NN CC DT NN POS NN VBD VBN IN $ CD TO $ CD CD .
Durango
LOCATION
Mexico
LOCATION
/location/administrative_division/country
Mexico
LOCATION
Durango
LOCATION
/location/location/contains
Mexico
LOCATION
Durango
LOCATION
/location/country/administrative_divisions