Original sentence: It dates from between 70 and 50 BCE, and if it did indeed serve as a synagogue, it would be one of the oldest synagogues ever found.It is part of the royal winter palace complex built by the Hasmoneans in the warm desert oasis of Jericho, west of the town proper.The Wadi Qelt Synagogue is the name given by some to a building controversially identified by its excavator, archaelogist Ehud Netzer, as a Hasmonean-period synagogue.The hall was bordered by a colonnade, the platform of which was nearly two feet above the floor of the nave
Edited sentence: It dates from between 70 and 50 BCE, and was built as part of a Hasmonean royal winter palace complex in the warm desert oasis of Jericho.The Wadi Qelt Synagogue, part of the Hasmonean royal winter palaces complex west of Jericho, is one of the oldest known synagogues that have ever been found.The hall was bordered by a colonnade the platform of which was nearly two feet above the floor of the nave