KATHMANDU, NEPAL - APRIL 15:  View of Durbar square opposite the old royal Palace on April 15, 2011 in Kathmandu, Nepal. Kathmandu is the capital and largest city in Nepal. The city is the urban centre of the Kathmandu Valley in the Himalayas, including Patan and Lalitpur. Kathmandu is at an elevation of 1,400 metres and is inhabited by nearly 4 million people as of 2011. Kathmandu is the centre of Nepali tourism and the country's economy. The 2000 year-old. Its religious affiliations are dominantly The most followed religion is Hindu followed by Buddhism. Many monuments in the city are part of the Kathmandu Valley UNESCO World Heritage Site. (Photo by Olivier CHOUCHANA/Gamma-Rapho via Getty Images)