Pakistani military personnel stand beside short-range Surface to Surface Missile NASR during the Pakistan Day military parade in Islamabad, Pakistan, March 23, 2015. Pakistan on Monday held a military parade in the capital Islamabad after a gap of seven years as the main feature of the country's Republic Day. Photo: Xinhua

Pakistani President Mamnoon Hussain (front) inspects guards of honor during the Pakistan Day military parade in Islamabad, Pakistan, March 23, 2015. Pakistan on Monday held a military parade in the capital Islamabad after a gap of seven years as the main feature of the country's Republic Day. Photo: Xinhua

Pakistani jets perform during the Pakistan Day military parade in Islamabad, Pakistan, March 23, 2015. Pakistan on Monday held a military parade in the capital Islamabad after a gap of seven years as the main feature of the country's Republic Day. Photo: Xinhua

Pakistanis perform during the Pakistan Day military parade in Islamabad, capital of Pakistan, on March 23, 2015. Pakistan on Monday held a military parade in the capital Islamabad after a gap of seven years as the main feature of the country's Republic Day. Photo: Xinhua

A clown waves as he attends the National Day Parade in eastern Pakistan's Lahore on March 23, 2015. The Pakistan Day is celebrated on March 23 every year to mark the adoption of a resolution that demanded the establishment of a separate homeland for the Muslims of British India on the same day in 1940. Photo: Xinhua

Pakistani people attend the National Day Parade in eastern Pakistan's Lahore on March 23, 2015. The Pakistan Day is celebrated on March 23 every year to mark the adoption of a resolution that demanded the establishment of a separate homeland for the Muslims of British India on the same day in 1940. Photo: Xinhua

Pakistani people attend the National Day Parade in eastern Pakistan's Lahore on March 23, 2015. The Pakistan Day is celebrated on March 23 every year to mark the adoption of a resolution that demanded the establishment of a separate homeland for the Muslims of British India on the same day in 1940. Photo: Xinhua

Pakistani policemen march during the National Day Parade in eastern Pakistan's Lahore on March 23, 2015. The Pakistan Day is celebrated on March 23 every year to mark the adoption of a resolution that demanded the establishment of a separate homeland for the Muslims of British India on the same day in 1940. Photo: Xinhua

Pakistani civilians visit an exhibition during the National Day ceremony in southwest Pakistan's Quetta on March 23, 2015. On March 23, 1940, the historic Pakistan Resolution was adopted in the eastern city of Lahore, which led to creation of a separate homeland for the Muslims of the Indian Subcontinent. Photo: Xinhua

Pakistani civilians dance during the National Day ceremony in southwest Pakistan's Quetta on March 23, 2015. On March 23, 1940, the historic Pakistan Resolution was adopted in the eastern city of Lahore, which led to creation of a separate homeland for the Muslims of the Indian Subcontinent. Photo: Xinhua

Pakistani civilians visit an exhibition during the National Day ceremony in southwest Pakistan's Quetta on March 23, 2015. On March 23, 1940, the historic Pakistan Resolution was adopted in the eastern city of Lahore, which led to creation of a separate homeland for the Muslims of the Indian Subcontinent. Photo: Xinhua