Foz do Iguaçu (Iguazu River Mouth) () is the Brazilian city on the border of Iguaçu Falls. The city is the 7th largest in the state of Paraná. The city's population is approximately 258,000. It is approximately 650 km (400 mi) west of the capital of the state, Curitiba, being the westernmost city in that state. The inhabitants of the city are known as iguaçuenses. The Iguaçu Falls located on the border of Argentina and Brazil and consisting of approximately 257 individual waterfalls over were chosen as one of the "New Natural Seven Wonders of the World." The city is characterized by tourism and cultural diversity. There are about 80 nationalities, being the most representative from Italy, Portugal, Lebanon, China, Paraguay and Argentina. Foz do Iguaçu is integrated into a tri-national region, bordering the Argentine city of Puerto Iguazú and the Paraguayan city of Ciudad del Este. The city's economy is based on tourism, with emphasis on trade and services. According to research conducted by the Brazilian Tourist Institute (Embratur) and the Foundation Institute of Economic Research (FIFE) in 2006, 2007 and 2008, Foz do Iguaçu was the 2nd most visited leisure destination by foreign tourists after Rio de Janeiro. In 2010, it received from the Brazilian Ministry of Tourism 10 awards for Best Practices and Competitiveness Index. Foz do Iguaçu has been noted as a destination by various national and international media: the British newspaper The Guardian considered it is the best foreign destination for the UK. The U.S. TV network CNN classified it as one of the 14 most romantic destinations. Foz do Iguaçu is home of the Itaipu dam, the world's second largest hydroelectric plant in power generation, after the Three Gorges Dam in China. With 20 generator units and 14,000 MW of installed capacity, it provides approximately 15% of the energy consumed in Brazil and 86% of the energy consumed in Paraguay. The city has a low crime rate by Brazilian standards. Geography Climate The climate of Foz do Iguaçu is humid subtropical, with two distinctive seasons; one humid and hot in the summer and another, dry and cold, in the winter. The city's annual average temperature is 23.8 °C (74.8 °F), but can be as high as 40 °C (104 °F) in the summer (highest) or as low as -5 °C (23 °F) in the winter (lowest). The average in the summer is 26.5 °C