The tunnel is 60 feet below ground at some points , five feet high , and nearly half a mile long , extending from a warehouse near the international airport in Tijuana , Mexico , to a vacant industrial building in Otay Mesa , Calif. , about 20 miles southeast of downtown San Diego .
Mexico /location/location/contains Tijuana
DT NN VBZ CD NNS IN NN IN DT NNS , CD NNS JJ , CC RB PDT DT NN RB , VBG IN DT NN IN DT JJ NN IN NNP , NNP , TO DT JJ JJ NN IN NNP NNP , NNP , IN CD NNS NN IN NN NNP NNP .