Arch vs Ludhiana

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An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it. Arches may be synonymous with vaults, but a vault may be distinguished as a continuous arch forming a roof.

Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture, and their systematic use started with the ancient Romans, who were the first to apply the technique to a wide range of structures.

Source: Wikipedia

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Ludhiana is a city and a municipal corporation in Ludhiana district in the Indian state of Punjab. Ludhiana is Punjab's largest city and the largest city north of Delhi. The city has an area of 159 km2 (61 sq mi) and an estimated population of 1,618,879 as of the 2011 census. The city stands on the Sutlej River's old bank, 13 kilometres (8.1 mi) south of its present course. It is an industrial center of northern India, often referred to as India's Manchester by BBC.

Ludhiana is among the list of smart cities that will be developed by government of India and has been ranked as the easiest city in India for business according to the World Bank. Ludhiana is 107 kilometres (66 mi) west of the state capital, Chandigarh, and is centrally located on National Highway 44, which runs from New Delhi to Amritsar. It is 315 km (194 miles) north of Delhi and 142 km (88 miles) southeast of Amritsar.

Source: Wikipedia