Final answer:
The building described is the Cultural Center of the Philippines, designed by Filipino architect Leandro Locsin, known for his use of concrete and simplistic design.
Step-by-step explanation:
The building described in the question is the Cultural Center of the Philippines. It was designed by the notable Filipino architect, Leandro Locsin, who was fond of using concrete to create floating volumes and simplistic designs. His style was recognizable in his major works, including the Cultural Center of the Philippines, which displays a unique cantilevered marble facade supported by arching columns, creating the illusion of the structure floating. Locsin’s contribution to architecture in the Philippines earned him the prestigious title of National Artist of the Philippines for Architecture. The Cultural Center of the Philippines is indeed his most recognizable work and a significant cultural landmark.