A Sea Cave Near Lisbon

The water beats relentlessly against the Hell's Mouth (Boca do Inferno), one of the main natural attractions of Lisbon's west coast, filmed from above almost in a vertical plunge onto the deep, rocky ground. The water beats relentlessly against the Hell's Mouth (Boca do Inferno), one of the main natural attractions of Lisbon's west coast, filmed from above almost in a vertical plunge onto the deep, rocky ground. The water beats relentlessly against the Hell's Mouth (Boca do Inferno), one of the main natural attractions of Lisbon's west coast, filmed from above almost in a vertical plunge onto the deep, rocky ground. The water beats relentlessly against the Hell's Mouth (Boca do Inferno), one of the main natural attractions of Lisbon's west coast, filmed from above almost in a vertical plunge onto the deep, rocky ground.