Sarnia vs Sukhum

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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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Sukhumi or Sokhumi (Abkhazian: Аҟәа, Aqwa; Georgian: სოხუმი, [sɔxumi] (listen); Russian: Суху́м(и), Sukhum(i) [sʊˈxum(ʲɪ)]) is a city on the Black Sea coast. It is the capital of the unrecognised Republic of Abkhazia, which has controlled it since the 1992–93 war in Abkhazia, although most of the international community considers it legally part of Georgia. Sukhumi's history can be traced back to the 6th century BC, when it was settled by Greeks, who named it Dioscurias. During this time and the subsequent Roman period, much of the city disappeared under the Black Sea. The city was named Tskhumi when it became part of the Kingdom of Abkhazia and then the Kingdom of Georgia.

Contested by local princes, it became part of the Ottoman Empire in the 1570s, where it remained until it was conquered by the Russian Empire in 1810. Following a period of conflict during the Russian Civil War, it became part of the independent Georgia, which included Abkhazia, in 1918. In 1921, the Democratic Republic of Georgia was occupied by the Soviet Bolshevik forces from Russia. Within the Soviet Union, it was regarded as a holiday resort. As the Soviet Union broke up in the early 1990s, the city suffered significant damage during the Abkhaz–Georgian conflict. The present-day population of 60,000 is only half of the population living there towards the end of Soviet rule.

Source: Wikipedia