Complex sentence: The entrance to the mausoleum is through two massive gateways of stone and masonry opposite each other (to the north and south) which lead to a square enclosure known as the Akbari Serai.
Split into simpler sentences: The entrance to the mausoleum is through two massive gateways of stone and masonry facing towards the north and towards the south. The entryways lead to a square enclosure known as the Akbari Serai.