Angkor
Angkor is a region of Cambodia that served as the seat of the Khmer Empire, which flourished from concerning the 9th to 15th centuries. Angkor was a megacity supporting at least 0.1% of the global population during 1010-1220. The word Angkor is derived from the Sanskrit nagara (), meaning "city". The Angkorian era began in AD 802, gone the Khmer Hindu monarch Jayavarman II avowed himself a "universal monarch" and "god-king", and lasted until the tardy 14th century, first falling out cold Ayutthayan suzerainty in 1351. A Khmer disorder resulted in the 1431 sacking of Angkor by Ayutthaya, causing its population to migrate south to Longvek.
The ruins of Angkor are located surrounded by forests and farmland to the north of the Great Lake (Tonl Sap) and south of the Kulen Hills, stuffy advanced-daylight Siem Reap city (1324N, 10351E), in Siem Reap Province. The temples of the Angkor place number on peak of one thousand, ranging in scale from nondescript piles of brick rubble scattered through rice fields to the magnificent Angkor Wat, said to be the world's largest single religious monument. Many of the temples at Angkor have been restored, and together, they comprise the most significant site of Khmer architecture. Visitors admittance two million annually, and every one expanse, including Angkor Wat and Angkor Thom is collectively protected as a UNESCO World Heritage Site. The popularity of the site accompanied by tourists presents compound challenges to the preservation of the ruins.
In 2007, an international team of researchers using satellite photographs and optional appendage enlightened techniques concluded that Angkor had been the largest pre-industrial city in the world, subsequent to than an make worse infrastructure system connecting an urban sprawl of at least 1,000 square kilometres (390 sq mi) to the famous temples at its core. Angkor is considered to be a "hydraulic city" because it had a complicated water running network, which was used for systematically stabilizing, storing, and dispersing water throughout the place. This network is believed to have been used for irrigation in order to offset the unpredictable monsoon season and to plus preserve the increasing population. The closest challenger to Angkor, the Mayan city of Tikal in Guatemala, was together as well as 100 and 150 square kilometres (39 and 58 sq mi) in quantity size.Although the size of its population remains a subject of research and debate, newly identified agricultural systems in the Angkor area may have supported uphill to one million people.
