Construction techniques Bahla Fort. David A Lockwood colour. 17/05/201417/05/2014 This shows the different construction techniques used (Mud, straw & rock) the mud brick needs constant maintenance, otherwise it slowly disintegrate in the rains. Like Loading... Related Published by David A Lockwood Amateur photographer with an interest in Prehistory (Rock Art). View all posts by David A Lockwood Published 17/05/201417/05/2014