QEII open space covenants are one way to ensure protection of Maori cultural sites. Pa located on naturally defensible high points. Above: A pa site protected by. Visit Our YouTube Site YouTube; Visit Our Instagram Site PA Veterans Designation · PennDOT Yellow DOT PA Driver's Practice Test. Motorcycle Permit. Early immigrants moved inland to cultivate Northland's rich soils. Pouērua pā, near Kaikohe, once commanded a Polynesian horticultural landscape.