Potamon fluviatile as well as on the island of Sicily. Although it used to be found as far north as Lake Garda, "P. fluviatile" no longer occurs north of the River Po. In 1997 a population of "P. fluviatile" was discovered under the ruins of Trajan's Forum in the heart of Rome, living in canals built by the Etruscans which connect to the "Cloaca Maxima". Based on a genetic analysis, which demonstrated that these crabs were similar to those in Greece, researchers believe that they had been brought by the Greeks before the founding of the city, some 3000 years ago. The
Leave the gate as you found it Leave the gate as you found it Leave the gate as you found it (or leave all gates as found) is an important rule of courtesy in rural areas throughout the world. If a gate is found open, it should be left open, and if it is closed, it should be left closed. If a closed gate absolutely must be traversed, it should be closed again afterwards. It applies to visitors travelling onto or across farms, ranches, and stations. In low-rainfall areas, closing gates can cut livestock off from water supplies. For example, most of the land used for grazing