Sarnia vs Kolpino

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Sarnia is a city in Southwestern Ontario, Canada, with a 2016 population of 71,594. It is the largest city on Lake Huron and in Lambton County. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes where Lake Huron flows into the St. Clair River, which forms the Canada–United States border, directly across from Port Huron, Michigan. The site's natural harbour first attracted the French explorer La Salle. He named the site "The Rapids" on 23 August 1679, when he had horses and men pull his 45-ton barque Le Griffon north against the nearly four-knot current of the St. Clair River.This was the first time that a vessel other than a canoe or other oar-powered vessel had sailed into Lake Huron, and La Salle's voyage was germinal in the development of commercial shipping on the Great Lakes. Located in the natural harbour, the Sarnia port remains an important centre for lake freighters and oceangoing ships carrying cargoes of grain and petroleum products. The natural port and the salt caverns that exist in the surrounding areas, together with the oil discovered in nearby Oil Springs in 1858, led to the dramatic growth of the petroleum industry in this area.

Because Oil Springs was the first place in Canada and North America to drill commercially for oil, the knowledge that was acquired there resulted in oil drillers from Sarnia travelling the world teaching other enterprises and nations how to drill for oil.The complex of refining and chemical companies is called Chemical Valley and located south of downtown Sarnia. In 2011 the city had the highest level of particulates air pollution of any Canadian city, but it has since dropped to rank 30th in this hazard. About 60 percent of the particulate matter comes from industries and polluters in the neighbouring United States.Lake Huron is cooler than the air in summer and warmer than the air in winter; therefore, it moderates Sarnia's humid continental climate, making temperature extremes of hot and cold less evident. In the winter, Sarnia occasionally experiences lake-effect snow from Arctic air blowing across the warmer waters of Lake Huron and condensing to form snow squalls over land.

Source: Wikipedia

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olpino (Russian: Колпино) is the name of several inhabited localities in Russia. Urban localitiesKolpino, Saint Petersburg, a municipal city in Kolpinsky District of the federal city of Saint PetersburgRural localitiesKolpino, Nevelsky District, Pskov Oblast, a village in Nevelsky District of Pskov Oblast Kolpino, Pechorsky District, Pskov Oblast, a village in Pechorsky District of Pskov Oblast Kolpino, Pustoshkinsky District, Pskov Oblast, a village in Pustoshkinsky District of Pskov Oblast Kolpino, Kardymovsky District, Smolensk Oblast, a village in Pervomayskoye Rural Settlement of Kardymovsky District in Smolensk Oblast Kolpino, Roslavlsky District, Smolensk Oblast, a village in Bogdanovskoye Rural Settlement of Roslavlsky District in Smolensk Oblast Kolpino, Krasnokholmsky District, Tver Oblast, a village in Likhachevskoye Rural Settlement of Krasnokholmsky District in Tver Oblast Kolpino, Penovsky District, Tver Oblast, a village in Voroshilovskoye Rural Settlement of Penovsky District in Tver Oblast Kolpino, Vologda Oblast, a village in Volodinsky Selsoviet of Babayevsky District in Vologda Oblast

Source: Wikipedia