Aquae Iasae Aquae Iasae Aquae Iasae was the Roman settlement and Roman bath in the area of present city Varaždinske Toplice, Croatia. Today it is the name of the archaeological site. In the 3rd century BC, in this area lived the Illyrian tribe Jasi, whose name the Romans referred to later in calling this place "Aquae Iasae", "Waters of the Jasi". The village Jasa, thanks to its springs of water, grew into a significant medical, ceremonial, cultural and economic center of Pannonia Superior. But the biggest boom was seen under the Roman Empire from the 1st to the 4th centuries. The public
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",