Complex sentence: After the creation of the mini-zoo, the idea of proper zoo gradually gained momentum, and the federal government chose a spot in Ulu Klang, Selangor next to the border of Kuala Lumpur.
Split into simpler sentences: After the creation of the mini-zoo, the idea of proper zoo was mooted in the public. As the idea gained momentum, the federal government chosen a spot in Ulu Klang, Selangor which is right beside the border of Kuala Lumpur.