Asuncion vs Boulder

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Asunción (UK:, US:, Spanish: [asunˈsjon]) is the capital and the biggest city of Paraguay in South America. The town stands on the left bank of the Paraguay River, almost at the confluence of this river with the River Pilcomayo. The Paraguay River and the Bay of Asunción from the northwest separate the city from the Occidental Region of Paraguay and from Argentina in the south part of the city. The remainder of the town is surrounded by the Central Department. Administratively, the city creates an autonomous capital district, not a part of any department. The metropolitan area, known as Gran Asunción, includes the cities of San Lorenzo, Fernando de la Mora, Lambaré, Luque, Mariano Roque Alonso, Ñemby, San Antonio, Limpio, Capiatá and Villa Elisa, which are part of the Central Department. The Asunción metropolitan region has around two million inhabitants. The Asunción Stock Exchange lists the Municipality of Asunción as BVPASA: MUA.

Asunción is one of the oldest cities in South America and the longest continually inhabited place from the Río de la Plata Basin; for this reason it's called"the Mother of Cities". By Asunción colonial expeditions departed to found other towns, including the second base of Buenos Aires and other major cities such as Villarrica, Corrientes, Santa Fe and Santa Cruz de la Sierra. The Globalization and World Cities Research Network classifies Asunción as a "Gamma City". It's the house of the national authorities, principal port, and the chief industrial and cultural center of Paraguay. Near Asunción are the headquarters of the CONMEBOL, the continental governing body of association football in South America. Asunción ranks among the cheapest cities in the world for foreign people.

Source: Wikipedia

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In geology, a boulder is a rock fragment with size greater than 256 millimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In common usage, a boulder is too large for a person to move. Smaller boulders are usually just called rocks (American English) or stones (In British English a rock is larger than a boulder). The word boulder is short for boulder stone, from Middle English bulderston or Swedish bullersten.In places covered by ice sheets during Ice Ages, such as Scandinavia, northern North America, and Siberia, glacial erratics are common. Erratics are boulders picked up by ice sheets during their advance, and deposited when they melt.

They are called "erratic" because they typically are of a different rock type than the bedrock on which they are deposited. One of them is used as the pedestal of the Bronze Horseman in Saint Petersburg, Russia. Some noted rock formations involve giant boulders exposed by erosion, such as the Devil's Marbles in Australia's Northern Territory, the Horeke basalts in New Zealand, where an entire valley contains only boulders, and The Baths on the island of Virgin Gorda in the British Virgin Islands. Boulder-sized clasts are found in some sedimentary rocks, such as coarse conglomerate and boulder clay. The climbing of large boulders is called bouldering.

Source: Wikipedia