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Bliss, originally titled Bucolic Green Hills, is the default wallpaper of Microsoft's Windows XP operating system. It is a photograph of a green rolling hills and daytime sky with cirrus clouds.
A 3D-printed version of the Reutersvärd Triangle illusion. M.C. Escher's lithograph Waterfall (1961) depicts a watercourse that flows in a zigzag along the long sides of two elongated Penrose triangles, so that it ends up two stories higher than it began. The resulting waterfall, forming the short sides of both triangles, drives a water wheel.
A wallpaper group (or plane symmetry group or plane crystallographic group) is a mathematical classification of a two-dimensional repetitive pattern, based on the symmetries in the pattern. Such patterns occur frequently in architecture and decorative art , especially in textiles , tiles , and wallpaper .
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The Tetractys symbolizes the four classical elements—air, fire, water, and earth. The Tetractys represented the organization of space: the first row represented zero dimensions (a point) the second row represented one dimension (a line of two points) the third row represented two dimensions (a plane defined by a triangle of three points)
In the foreground of the photo, a group of five people sits on the bank of the East River, bathed in bright sunlight. Two women are in front on the left, one is sitting on a chair, and the other is squatting on the ground. In the center, a man sits on a bench with a red bicycle in front of him.
Tour Triangle, also known as Projet Triangle, or simply Triangle, is a skyscraper to be built in the exhibition site Parc des Expositions de la Porte de Versailles in Paris, France. Designed by the Swiss agency Herzog & de Meuron , it will take the shape of a 180 m (590 ft) tall glass pyramid with trapezoid base, wide from one side and narrow ...
The Embarcadero (Spanish for "Embarkment") is the eastern waterfront of Port of San Francisco and a major roadway in San Francisco, California. It was constructed on reclaimed land along a three mile long [ 2 ] engineered seawall , from which piers extend into the bay.