Economic history of Pakistan canals, dams and power stations, began Pakistan's space programme. In 1959 the country began the construction of its new capital city. A Greek firm of architects, Konstantinos Apostolos Doxiadis, designed the master plan of the city based on a grid plan which was triangular in shape with its apex towards the Margalla Hills. The capital was not moved directly from Karachi to Islamabad; it was first shifted temporarily to Rawalpindi in the early sixties and then to Islamabad when the essential development work was completed in 1966. The partition of British India and the emergence of India and Pakistan in
Islamabad Marriott Hotel bombing parliament. The Marriott was the most prestigious hotel in the capital, and was located near government buildings, diplomatic missions, embassies and high commissions. During the investigation, three suspected terrorists were arrested by the Pakistani police. They were suspected of having facilitated the suicide bomber. However later they were acquitted of all charges as no evidence was ever presented against them. A few months after the hotel's bombing the Government of Pakistan had re-constructed it, and the Islamabad Marriott reopened officially on 28 December 2008. The hotel blast caused a severe natural gas leak that set the top floor of the