Some of the walls may have carving and in other places a kind of mud and water plaster is also used. The oldest items excavated at Khirbet Iskander are thought to be about 4,000 years old. That is roughly the time of Abraham in the Old Testament. Some things are dated with modern methods, such as Carbon-14 dating. If a tablet is found with writing, that will help give them a more accurate date.
Participants are also able to visit other places in the region.
Petra, Jordan is probably the students' favorite, he said.