Published January 22, 2006 [ From the Lansing State Journal ] Mexican painting has both Christian, Aztec influencesUnearthed mural shows melding of cultures(Photo by Associated Press) Flying into view: This image of a bird is part of the 16-yard-long mural at an excavation in Mexico City. By Mark Stevenson Associated Press Salvador Guilliem dangles on a narrow beam over the sunken remains of a mural painted by Indians shortly after the Spanish conquest. Guilliem, an archaeologist, points out the newly excavated red, green and ochre flourishes in one of the earliest paintings to show the mixing of the two cultures....