4. The copperplate was accidentally discovered by a man who was dredging sand in the Lumbang River in Laguna. Dredging is part of a quarrying activity for the purpose of accumulating sand and gravel for construction purposes. With the emergence of many quarrying activities nowadays, do you think there is still a possibility of discovering more artifacts with the same value as the Laguna copperplate? What do you think is the role of the National Historical Commission in making sure that areas with possible historical value are protected and regulated?