5. The Taj Mehal complex includes a main gateway, a garden with pools of water, a red sandstone mosque, and an identical building called “Jawab” shah Jahan wanted to build the second mausoleum across the river, as grandiose as the Taj Mehal, to have his own remains buried there. He also wanted the two mausoleums to be connected with bridges. But, unfortunately, these plans remained on paper.​