The small number of basic origami folds can be combined in a variety of ways to make intricate designs. The best-known origami model is the Japanese paper crane. In general, these designs begin with a square sheet of paper whose sides may be of different colors, prints, or patterns.
On 30 June 2017 the city-state of Berlin had a population of 3.69 million registered inhabitants in an area of 891.85 km 2 (344.35 sq mi). The city's population density was 4,048 inhabitants per km 2. Berlin is the second most populous city proper in the EU.
Area A (kmÂ²) Population Census (C) 1987-05-25 Population Estimate (E) 1995-12-31 Population Estimate (E) 2001-12-31 Population Census (C) 2011-05-09 Population Estimate (E) 2016-12-31 ; Germany DEU Fed Rep Berlin 357,386 77,718,000 81,817,499 82,440,309 80,219,695 82,521,653: Baden-WÃ¼rttemberg: BW: FSt: Stuttgart: 35,677: 9,286,387: 10,319,367: 10,600,906: 10,486,660: 10,951,893: 3567700 â