Visit a mayan ruin and learn about a great civilization that inhabited belize over 3 000 years agoaltun ha was first settlement somewhere around 250 bc with construction of the buildings beginning in 100 ad and continuing throughout the classic period that ended in the 10th century some 10 000 mayans lived in and around altun ha which was a significant trading center as evidenced by the large amounts of jade and obsidian excavated here in the early sixties and seventiesafter visiting altu