A Greek Organization of architects, led by Konstantinos Apostolos Doxiadis, built the grasp system of town dependant on a grid approach which was triangular in form with its apex towards the Margalla Hills. The capital was not moved directly from Karachi to Islamabad; it was 1st shifted temporarily to Rawalpindi https://goo.gl/maps/4ZdEtn9vXG7Km7cM6