The Tidal Pool is a set of salt water pools located in Praia de Leça da Palmeira, Matosinhos, Portugal. The construction began Inaugurated in Designed by architect Álvaro Siza Vieira. In 2006 it was classified as a National Monument.
This reminds me of water parks on the Greenway now.I love the idea of creating "rooms" of water. Water sculpture "Appearing Rooms" installation by Danish artist Jeppe Hein. In front of the Festival Hall in London