the two opposite pillars inside of the eye they can speak with each other. Museu de les Ciències Príncipe Felipe (2000) – an interactive museum of science that resembles the skeleton of a whale. It occupies around 40,000 m² on three floors. Much of the ground floor is taken up by a basketball court sponsored by a local team and various companies. The building has three floors, of which 26,000 square meters is used for exhibitions. The first floor has a view of the Turia Garden that surrounds it, which is over 13,500 square meters of water. The second floor hosts "The Legacy of Science" exhibition by researchers Santiago Ramón y Cajal and Severo Ochoa y Jean Dausset. The third floor is known as the "Chromosome Forest" and shows the sequencing of human DNA. Also on this floor are the "Zero Gravity," "Space Academy" and "Marvel Superheroes" exhibitions. The building's architecture is known for its geometry, structure, use of materials, and its design around nature. The building is about 42,000 square meters, of which 26,000 square meters is exhibition space, making it the largest in Spain. It has 20,000 square meters of glass, 4,000 panes, 58,000 m³ of concrete, and 14.000 tons of steel. The building stands 220 meters long, 80 meters wide and 55 meters high. L'Umbracle (2001) – an open structure enveloping a landscaped walk with plant species indigenous to Valencia (such as rockrose, lentisca, rosemary, lavender, honeysuckle, bougainvillea and palm trees). It harbors in its interior The Walk of the Sculptures, an outdoor art gallery with sculptures by contemporary artists (Miquel de Navarre, Francesc Abbot, Yoko Ono and others). The Umbracle is also home to numerous free-standing sculptures surrounded by nature. It was designed as an entrance to the City of Arts and Sciences. It is 320 meters long and 60 meters wide, located on the southern side of the complex. It includes 55 fixed arches and 54 floating arches that stand 18 meters high. The plants displayed were carefully picked to change colour with each season. The garden includes 99 palm trees, 78 small palm trees, and 62 bitter orange trees. There are 42 varieties of shrubs from the Region of Valencia including cistuses, mastics, buddleia, pampas grass, and plumbagos. In the garden there are 16 species of Mirabilis jalapa, or the four-o'clock flower ("beauty of the night"). Honeysuckle and hanging bougainvillea are two of the