Seminar on close range photogrammetry at the School of Engineering of the University of Yucatan.          Archaeologist James Callaghan, CUPPCY Director, leading a discussion about University Center for Preservation of the Cultural Heritage of Yucatan (CUPPCY).  The Center was one of the co-organizers
of the photogrammetric study of the Adivino Pyramid, and is working with Mexico's National Institute of Anthropology and History to plan additional photogrammetric documentation projects.  Note Rollei 6006 camera and stereo viewing glasses on thetable in the foreground.  (Photo by Paul Bryan, 1999)