As the airport operations at Nielson Field have closed down by the 1950s, around the same time, plans were being made to convert the Zobel de Ayala-owned hacienda (where the airfield is located) into a modern business district, giving birth to the Makati Central Business District. As structures began to sprout left and right, the old airfield which became a triangular open space found itself in the middle of all this development. However, it took a while for any development to be seen in the area. Apart from the Nielson Tower, the rest of the triangular space was pretty much a barren open space which sometimes was used as a football…