17^th International Conference & Expo on Optics,Lasers and Photonics October 19-20, 2020 Paris, France

Paris, France's capital is a major European city and a global center for art, fashion, gastronomy and culture. Its 19th-century cityscape is crisscrossed by wide boulevards and the River Seine. Beyond such landmarks as the Eiffel Tower and the 12th-century, Gothic Notre-Dame cathedral, the city is known for its cafe culture and designer boutiques along the Rue du Faubourg Saint-Honoré.

Paris is most populous city of France, with an area of 105 square kilometers and an official estimated population of 2,140,526 residents as of 1 January 2019. Since the 17th century, Paris has been one of Europe's major centers of finance, diplomacy, commerce, fashion, science, and the arts. The City of Paris is the center and seat of government of the Île-de-France, or Paris Region, which has an estimated official 2019 population of 12,213,364, or about 18 percent of the population of France. The Paris Region had a GDP of €709 billion ($808 billion) in 2017. According to the Economist Intelligence Unit Worldwide Cost of Living Survey in 2018, Paris was the second most expensive city in the world, after Singapore, and ahead of Zürich, Hong Kong, Oslo and Geneva. Another source ranked Paris as most expensive, on a par with Singapore and Hong Kong, in 2018.

The city is a major railway, highway, and air-transport hub served by two international airports: Paris-Charles de Gaulle (the second busiest airport in Europe) and Paris-Orly. Opened in 1900, the city's subway system, the Paris Metro, serves 5.23 million passengers daily, and is the second busiest metro system in Europe after Moscow Metro. Gare du Nord is the 24th busiest railway station in the world, but

Most beautiful places to visit in Paris:

• Eiffel Tower
• Notre Dame Cathedral
• Louvre Museum
• 4Champs Elysees / Arc of Triumph
• Cruise on the Seine
• Montmartre
• Palace of Versailles
• The Latin Quarter – Luxembourg park
• Moulin Rouge
• Disneyland Paris
• Orsay Museum
• Bateaux-Mouches
• Bateaux Parisiens

 The city of Paris is all around associated by transport benefit, metro, rail, cable cars and airplane terminal. Open transport is exceptionally helpful to wander around the Paris. People in general transportation framework in Paris are worked by RATP which is a blend of Subway (Metro), Bus, cable cars and railroad (RER). The metro and open transport is exceptionally helpful and person on foot well-disposed walkways are the colossal mediums to stroll around the city. Paris is very much associated all around with aviation routes. Charles de Gaulle Airport (CDG) is the principle global passage to Paris. Counting CDG air terminal, there are different airplane terminals like Orly Airport (second global air terminal), Beauvais-Tille Airport, Paris– Le Bourget Airport, and Chalons Vatry Airport.