Here's one more pic from Scott's
Barangay.
The text describing the image says:
"Tree houses were occupied only in time of war, built either in actual trees 15 or more meters above the ground, or on tall posts. If they were intended only for male warriors, they were reached simply by a vine which could be pulled up; but if a whole family occupied them, they were full-scale dwellings with a platform midway up reached by a removable ladder, with a second ladder up to the house itself. (See fig. 5.) They all disappeared after the Spanish pacification ...."
From the image we can obviously discern the form of the prehispanic Filipinos' spearheads, sword hilt and pommel, as well as shield types.