For 10 points, name these holyplaces in the Church of Jesus Christ Latter Day Saints.
These structures have at least one room with two gigantic wall-mirrors facing each other. At thededication of each of these structures, a Hosanna shout is performed. Endowment ceremonies inthese places precede weddings, which unite a couple into "celestial marriages" because of the sealingpower that they grant. The basements of many of them contain large water tanks used as baptismalfonts, which may be used on volunteers acting as proxies for (*) dead people. Sacred places for specialordinances are provided by these secretive buildings, which are often topped by golden angel statues. Oneof the earliest ones was built in Nauvoo under the orders of Joseph Smith. For 10 points, name these holyplaces in the Church of Jesus Christ Latter Day Saints.
These structures have at least one room with two gigantic wall-mirrors facing each other.
Mormon temples [prompt on Mormon places of worship or synonyms; prompt on temples; accept Church of Jesus Christ Latter Day Saints temples before mentioned; accept LDS temples before mention of "Latter Day Saints"; do not accept "Mormon churches" or "meetinghouses" or other wrong answers]