Continue the activities of GHG in the rotunda of Via Coccia di Morto, Fiumicino (Rome). In the new fascinating video that we publish in this article you can also admire an aerial view. The two points of emission of gas and water, are in the middle of a fairly busy roundabout, close to the international airport Leonardo Da Vinci. Emissions have started in late August and since then the business has increased with the creation of a new mouth in early September, while only two weeks ago began a new issue, off the town, even more impressive. The cause of the leakage of gas and water have been some drilling work that have gone too deeply, puncturing one of the pockets of gas that abound in the Roman area, characterized by post-volcanism. Normally the gas is trapped in depth thanks to the thick layer of impermeable sediments that dominates, but in cases like this human activity can cause the lift gas.