By: Ranilo Abando (Manila, November 10, 2020) *** Prehistoric dolmens, estimated to have been built between 7000 and 3500 years ago, are some of the oldest preserved buildings on Earth as they are made of durable stones. These megalithic monuments are characterized by the use of large stones and the absence of mortar. Their distributionContinue reading “Solving the Enigma of Dolmens”