Founded in the 2nd century BC, Viseu is the capital of the Viseu District and an important agricultural and educational center for the region. The district boasts mineral resources such as tungsten and tin, as well as a solid industrial base, with well-developed sectors including textiles, automotive, agro-processing, and information technology.

Suncheon, Jeollanam-do, is situated on the southwestern tip of the Republic of Korea, covering an area of 910.43 square kilometers with a population of approximately 280,000. It serves as a transportation hub in eastern Jeollanam-do, 300 kilometers from Seoul and 150 kilometers from Busan.

Khujand, capital of Sughd Region, northern Tajikistan, is one of the most famous ancient civilized city in Central Asia. Established between the 6th and 4th centuries BC under Kay Khosrow, it flourished in the Persian era, with its original citadel preserved through successive renovations.

Donetsk is the fifth-largest city in Ukraine. A major coal producer, it also features prominent iron and steel, chemical, and mining machinery sectors. The city hosts several universities and research institutes, and maintains a green, pleasant urban environment despite its industrial scale.

Saint-Denis is the capital of Réunion, a French overseas department in the western Indian Ocean, and the political and economic center of the island. Located in the Saint-Denis River basin on the northern coast of the island, it has a population of approximately 140,000 and covers an area of 236 square kilometers. It borders the Indian Ocean to the north and steep mountains to the south.

As the second-largest city in Tennessee, Nashville is renowned for its recording and tourism industries. It serves as a major hub for healthcare, music, finance, insurance, publishing, and transportation, ranking among the top 50 freight hubs in the United States.

Named after the local Duala ethnic group, Douala was a colonial trading post for slaves, ivory and resources from the 16th to the 19th century. Since independence, it has grown into Cameroon’s largest industrial center and transportation hub, served by a major international airport. Its northern port handles 3.85 million tons of cargo annually, accounting for 90% of national imports and exports, and transships goods for the Central African Republic and Chad.

As the third-largest city in Saxony, following Leipzig and Dresden, Chemnitz holds the status of an independent city and serves as the seat of the administrative district of the same name. The city takes its name from the Chemnitz River flowing through it. From May 10, 1953, to June 1, 1990, Chemnitz was known as “Karl-Marx-Stadt”.

Founded in 1590 on the left bank of the Volga River as its earliest ferry crossing, the city was relocated to the right bank in 1674 and granted city status in 1780. It was a prominent center for grain trade and sawmilling in the Russian Empire. Following World War II, with the development of the Volga-Ural oil field and the Saratov gas field, modern industry developed rapidly.

Settled as a residential area in 1805, Launceston is Tasmania's second-largest city and a major tourist center. It enjoys a mild climate, free from extreme cold or heat. As one of Australia’s oldest cities, Launceston serves as the commercial hub of northern Tasmania. Nestled quietly on the banks of the Tamar River, the city retains 19th-century architectural styles, featuring numerous beautiful parks and surrounded by green spaces.

Syktyvkar is located in the northeastern part of the East European Plain in western Russia and on the left bank of the Sysola River, 1003 kilometers northeast of Moscow.Founded in 1780, it is the capital of the Komi Republic and serves as the social and economic center of the republic, as well as an industrial center in northern Russia.

Himeji is located in the center of the Harima Plain in southwestern Hyogo Prefecture. Its terrain transitions sequentially from mountains and hills in the north to farmland and plains in the south, where the urban center and industrial-commercial zones are situated. The city also administers several islands in the Seto Inland Sea.