The seven white, bulbous mini-domes in the top background of the bottom shot are the same as those at the top of the upper photo. Fortifications are built out in front of the gate to add a measure of security. There is no line-of-sight view of the gate from the front.
This elaborate lattice is carved out of white marble. It’s part of the Tomb of Salim Chishti, a Sufi saint, and is located on the grounds of the Jama Masjid (Mosque) at Fatehpur Sikri.