Hell's Mouth - Boca do Inferno - ToneMapped

Hell's Mouth - Boca do Inferno - ToneMapped

Boca do Inferno (Portuguese for Hell's Mouth) is a chasm located in the seaside cliffs close to the Portuguese city of Cascais, in the District of Lisbon. The seawater has access to the deep bottom of the chasm and vigorously strikes its rocky walls, making it a popular tourist attraction. - ToneMapped