Portal:Cities

Chongqing (/ˌtʃɒŋˈtʃɪŋ/ chong-CHING or /ˈtʃɒŋˌtʃɪŋ/ CHONG-ching; simplified Chinese: 重庆; traditional Chinese: 重慶; pinyin: Chóngqìng; Sichuanese pronunciation: [tsʰoŋ˨˩tɕʰin˨˩˦], Standard Mandarin pronunciation: [ʈʂʰʊ̌ŋ.tɕʰîŋ] (listen)), alternately romanized as Chungking (/ˈtʃʊŋˈkɪŋ/), is one of the four direct-administered municipalities of the People's Republic of China (PRC). The official abbreviation of the city, "Yú" (渝), was approved by the State Council on 18 April 1997. This abbreviation is derived from the old name of a part of the Jialing River that runs through Chongqing and feeds into the Yangtze River. Chongqing is China’s major modernized manufacturing base, a financial center and an international transport hub in Western China. Geographically, Chongqing is strategically positioned as a gateway to China’s west, a key connection in the Yangtze River Economic Belt, and a strategic base for China’s Belt and Road Initiative.

Administratively, it is one of the four municipalities under the direct administration of the central government of the People's Republic of China (the other three are Beijing, Shanghai, and Tianjin), and the only such municipality located deep inland. The municipality of Chongqing, roughly the size of Austria, includes the city of Chongqing as well as various discontiguous cities. Due to a classification technicality, Chongqing municipality can claim to be the largest city proper in the world—though it does not have the world's largest urban area. Chongqing is the only city in China with a permanent population of over 30 million, however this number includes a large rural population. Chongqing is the fourth largest Chinese city by urban population, with urban population of 16.34 million as of the 2020 estimation, after Shanghai, Beijing and Shenzhen. According to the 2010 census, Chongqing is the most populous Chinese municipality, and also the largest direct-controlled municipality in China, containing 26 districts, eight counties, and four autonomous counties. (Full article...)

• ... that the 66-room C. Ledyard Blair House on New York City's Fifth Avenue was sold and demolished barely a decade after its completion?
• ... that New York City's Coney Island has not been an island since the 1930s?
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Clockwise from top left: All Saints Cathedral, Khusro Bagh, the Allahabad High Court, the New Yamuna Bridge near Sangam, the skyline of Civil Lines, the University of Allahabad, Thornhill Mayne Memorial at Alfred Park and Anand Bhavan

Allahabad (pronunciation), officially known as Prayagraj, also known as Ilahabad, is a metropolis in the Indian state of Uttar Pradesh. It is the administrative headquarters of the Allahabad district—the most populous district in the state and 13th most populous district in India—and the Allahabad division. The city is the judicial capital of Uttar Pradesh with the Allahabad High Court being the highest judicial body in the state. Allahabad is the seventh most populous city in the state, thirteenth in Northern India and thirty-sixth in India, with an estimated population of 1.53 million in the city. In 2011, it was ranked the world's 40th fastest-growing city. Allahabad, in 2016, was also ranked the third most liveable urban agglomeration in the state (after Noida and Lucknow) and sixteenth in the country. Hindi is the most widely spoken language in the city.

Allahabad lies close to Triveni Sangam, the "three-river confluence" of the Ganges, Yamuna and Sarasvati rivers. It plays a central role in Hindu scriptures. The city finds its earliest reference as one of the world's oldest known cities in Hindu mythological texts and has been venerated as the holy city of Prayaga in the ancient Vedas. Allahabad was also known as Kosambi in the late Vedic period, named by the Kuru rulers of Hastinapur, who developed it as their capital. Kosambi was one of the greatest cities in India from the late Vedic period until the end of the Maurya Empire, with occupation continuing until the Gupta Empire. Since then, the city has been a political, cultural and administrative centre of the Doab region. In the early 17th century, Allahabad was a provincial capital in the Mughal Empire under the reign of Jahangir. (Full article...)

A smart city is a technologically modern urban area that uses different types of electronic methods and sensors to collect specific data. Information gained from that data is used to manage assets, resources and services efficiently; in return, that data is used to improve operations across the city. This includes data collected from citizens, devices, buildings and assets that is processed and analyzed to monitor and manage traffic and transportation systems, power plants, utilities, water supply networks, waste, criminal investigations, information systems, schools, libraries, hospitals, and other community services. Smart cities are defined as smart both in the ways in which their governments harness technology as well as in how they monitor, analyze, plan, and govern the city. In smart cities, the sharing of data in not limited to the city itself but also includes businesses, citizens and other third parties that can benefit from various uses of that data. Sharing data from different systems and sectors creates opportunities for increased understanding and economic benefits.

The smart city concept integrates information and communication technology ('ICT'), and various physical devices connected to the Internet of things ('IoT') network to optimize the efficiency of city operations and services and connect to citizens. Smart city technology allows city officials to interact directly with both community and city infrastructure and to monitor what is happening in the city and how the city is evolving. ICT is used to enhance quality, performance and interactivity of urban services, to reduce costs and resource consumption and to increase contact between citizens and government. Smart city applications are developed to manage urban flows and allow for real-time responses. A smart city may therefore be more prepared to respond to challenges than one with a conventional "transactional" relationship with its citizens. Yet, the term itself remains unclear in its specifics and therefore, open to many interpretations. Many cities have already adopted some sort of smart city technology. (Full article...)