Oak vs Brno

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An oak is a tree or shrub in the genus Quercus (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks), as well as in those of unrelated species such as Grevillea robusta (silky oaks) and the Casuarinaceae (she-oaks). The genus Quercus is native to the Northern Hemisphere, and includes deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas, Asia, Europe, and North Africa. North America contains the largest number of oak species, with approximately 90 occurring in the United States, while Mexico has 160 species of which 109 are endemic. The second greatest center of oak diversity is China, which contains approximately 100 species.

Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaves with smooth margins. Many deciduous species are marcescent, not dropping dead leaves until spring. In spring, a single oak tree produces both male flowers (in the form of catkins) and small female flowers, meaning that the trees are monoecious. The fruit is a nut called an acorn or oak nut borne in a cup-like structure known as a cupule; each acorn contains one seed (rarely two or three) and takes 6–18 months to mature, depending on their species. The acorns and leaves contain tannic acid, which helps to guard from fungi and insects. The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus.

Source: Wikipedia

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Brno ( BUR-noh, Czech: [ˈbr̩no] (listen); German: Brünn, German pronunciation: [bʁʏn] (listen)) is a city in the South Moravian Region of the Czech Republic. Located at the confluence of the Svitava and Svratka rivers, Brno has about 380,000 inhabitants, making it the second-largest city in the Czech Republic after the capital, Prague, and one of the 100 largest cities of the EU. The Brno metropolitan area has more than 600,000 inhabitants.Brno is the former capital city of Moravia and the political and cultural hub of the South Moravian Region. It is the centre of the Czech judiciary, with the seats of the Constitutional Court, the Supreme Court, the Supreme Administrative Court, and the Supreme Public Prosecutor's Office, and a number of state authorities, including the Ombudsman, and the Office for the Protection of Competition. Brno is also an important centre of higher education, with 33 faculties belonging to 13 institutes of higher education and about 89,000 students.Brno Exhibition Centre ranks among the largest exhibition centres in Europe. The complex opened in 1928 and established the tradition of large exhibitions and trade fairs held in Brno.

Brno hosts motorbike and other races on the Masaryk Circuit, a tradition established in 1930, in which the Road Racing World Championship Grand Prix is one of the most prestigious races. Another cultural tradition is an international fireworks competition, Ignis Brunensis, that attracts tens of thousands of daily visitors.The most visited sights of the city include the Špilberk castle and fortress and the Cathedral of Saints Peter and Paul on Petrov hill, two medieval buildings that dominate the cityscape and are often depicted as its traditional symbols. The other large preserved castle near the city is Veveří Castle by Brno Reservoir. Another architectural monument of Brno is the functionalist Villa Tugendhat which has been included on the UNESCO list of World Heritage Sites. One of the natural sights nearby is the Moravian Karst. The city is a member of the UNESCO Creative Cities Network and has been designated as a "City of Music" in 2017.

Source: Wikipedia