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.
The following is a summary of the 2010 census of the City of New Berlin: 1  Median age: 44.9 years. 2  Total housing units: 16,829 Occupied housing units: 16,292. 3  Total population: 39,584 Female: 20,345 (51.4%) Male: 19,239 (48.6 %)