 No signs of man have been discovered in the present area of manila that could date back into this period.Speculations state that evidences might have been buried underneath the silt and sediments of Manila bay and covered by the rising water during the last interglacial period.But on higher ground, implements were discovered by Dr. H. Otley Beyer around the Novaliches area, place that were not inundated by the rise of oscillation of sea and/or not disturbed by the infiltration of human habitation.