In the 20th century the concept of building design must have innovative looks and advanced technology components together Tidal Lagoon is a modern building design concept for the exhibition centered learning in cultural studies. By the location of the building adjacent Swansea Bay lakeside landscape surrounding a large water source open sea. With a look that seemed cutting edge, or shells, towering up like a giant bowl leaves the lake. The structure of the building is primarily to focus on the concrete strength in preventing water waves and the wind from outside. The building was plastered surface smooth skin is also a pearl insulation and reflect sunlight very well. The interior is carefully designed with modern facilities such as theater, stage, gallery exhibits, café, to the delight of tourists visiting this lakeside building.