Vilnius vs Boulder

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Vilnius (Lithuanian pronunciation: [ˈvʲɪlʲnʲʊs] (listen), see also other names) is the capital of Lithuania and its largest city, with a population of 587,581 as of 2019. The population of Vilnius's functional urban area, which stretches beyond the city limits, is estimated at 706,832 (as of 2019), while according to the Vilnius territorial health insurance fund, there were 732,421 permanent inhabitants as of October 2020 in Vilnius city and Vilnius district municipalities combined. Vilnius is in southeastern Lithuania and is the second-largest city in the Baltic states. It is the seat of Lithuania's national government and the Vilnius District Municipality.

Vilnius is classified as a Gamma global city according to GaWC studies, and is known for the architecture in its Old Town, declared a UNESCO World Heritage Site in 1994. Before World War II, Vilnius was one of the largest Jewish centres in Europe. Its Jewish influence has led to its nickname "the Jerusalem of Lithuania". Napoleon called it "the Jerusalem of the North" as he was passing through in 1812. In 2009, Vilnius was the European Capital of Culture, together with Linz, Austria.

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