Aquae Sirenses Aquae Sirenses Aquae Sirenses (Acque Sirensi), also known as Aquaesirensis, is an ancient Roman colonia and a modern titular see of the Roman Catholic Church in Algeria. The name means Sirens Water, and was a bath town. The ruins of this ancient city are located near the thermal baths of Hammam Bou Hani. There are two known bishops of this ancient diocese. "Honoratus" who represented the Donatists at the Council of Carthage (411). The grave of his sister Robba, revered as a martyr by the Donatists, was found in Ala Miliaria recently. The other Bishop, Felix was among the Catholic
Geothermal energy a renewable energy source like geothermal. But as a result of government assisted research and industry experience, the cost of generating geothermal power has decreased by 25% over the past two decades. In 2001, geothermal energy costs between two and ten US cents per kWh. Hot springs have been used for bathing at least since Paleolithic times. The oldest known spa is a stone pool on China's Lisan mountain built in the Qin Dynasty in the 3rd century BC, at the same site where the Huaqing Chi palace was later built. In the first century AD, Romans conquered "Aquae Sulis",