Caspian Sea of around 149,200 square miles (386,400 square km)— bigger than the region of Japan—and its surface lies somewhere in the range of 90 feet (27 meters) below sea level. The sea bed in the southern part reaches as low as 1,023 m (3,356 ft) below sea level, which is the second lowest natural depression on earth after Lake Baikal (−1,180 m, −3,871 ft). The ancient inhabitants of its coast perceived the Caspian Sea as an ocean, probably because of its saltiness and large size. The sea has a surface area of 371,000 km (143,200 sq mi) (not including the detached
Water supply and sanitation in Italy a trade association, represents the interests of energy and water utilities. According to the 2015 global water tariff survey by the magazine Global Water Intelligence, the average residential water tariff in Italy for a consumption of 15 cubic meters per month (including wastewater and sales tax) was "among the lowest in Western Europe" at US$1.71 per cubic meter, with large differences between cities. The survey includes five Italian cities: Genova (US$2.59), Milan (US$0.80), Naples (US$1.48), Palermo (US$2.13) and Rome (US$1.85). In Rome, tariffs had increased by 14% compared to 2014, while tariffs in Palermo remained unchanged and tariffs in the