In addition, an entire wing is supposed to study how best to implement (impose) Shari'a Law - this is a subtle way of taking over our judicial system in incremental steps (just ask Louisiana how that's going. This is not a "place of worship" although there will be Mosque-like prayer rooms, etc.
It is a passive-aggressive form of sedition, using the protections we offer as a toe-hold. When does religious freedom stop when practicing that religion calls for the overthrow of the the government and subjugation of all citizens to fall in line with one religion which does not guarantee the other freedoms we enjoy?
“Unlimited tolerance must lead to the disappearance of tolerance. If we extend unlimited tolerance even to those who are not tolerant, if we are not prepared to defend a tolerant society...then the tolerant will be destroyed and tolerance with them. We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.”
—Karl Popper