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.
Population: 9,638,000 Description: The 20 total arrondissements World population rank 1: 22 Percentage of national population 2: 16.3% Average yearly growth rate: 0.2% â â â The Paris metropolitan area's rank among the world's urban areas. The percent of France's total population living in the Paris metropolitan area. Sightseeing. The best tours of Paris are by boat.