Aztec architecture (full) with houses and architectural values. The city had a grid surrounding the four sides, each side having a platform with stairs. The Hueyi Teocalli (Great Temple) was a huge temple with a wash basin at the top. This temple was between 100 and 80 meters tall and was the biggest building in the Aztec city Tenochtitlan. The Aztecs dominated central Mexico in the 14th, 15th and 16th centuries. Their capital was Tenochtitlan on the shore of Lake Texcoco – the site of modern-day Mexico City. Aztec architectural sites include: The Aztec civilization was an origin of Central Americas, Primarily
Evolution of timpani in the 18th and 19th centuries Evolution of timpani in the 18th and 19th centuries The modern timpani evolved in the 18th and 19th centuries from the simple 12th-century membranophone of the Naker to a complex instrument, consisting of a suspended kettle with a foot operated clutch, capable of rapid tuning. The technological evolution of the instrument led to increased interest in its capabilities and sound among such composers as Ludwig van Beethoven, Robert Schumann, and Hector Berlioz. Initially used only outdoors, the instrument underwent modifications in the 16th and 17th centuries that led to its incorporation into chamber ensembles. During the 18th and 19th centuries,