Tommy Rock has had three graduations — high school, college and graduate school. And no one from his family was there — no one to cheer for him, no one to take his picture. And when he came home to Monument Valley, few really cared. "I didn't get no congratulations or nothing," Rock said. "It was like 'Oh you think you're better than us?' I was like, 'Wow, OK.' "When a Navajo baby is born, it's custom to bury the umbilical cord in the ground. The Navajo believe that ties the child to the land forever.