While this article refers mainly to Kingdom Halls, the same principles apply to Assembly Halls and other facilities that are used for pure worship.
وَبِدَعْمِ هٰذِهِ ٱلْجُهُودِ ،‏ نُظْهِرُ غَيْرَتَنَا عَلَى ٱلْمَكَانِ ٱلَّذِي نَعْبُدُ فِيهِ يَهْوَهَ ،‏ كَمَا فَعَلَ يَسُوعُ .‏ —‏ يو ٢ :‏ ١٧‏ .‏