Adult entertainment uses, provided that such uses shall be prohibited from being located within 1,000 feet of any of the following: any residential zoning district; any single-family, two-family or multiple-family dwelling, including structures devoted to both residential and commercial or business purposes; any public or private school; any church, synagogue or other religious use or institution; any public park, adult home, day-care facility, nursing home, funeral home, hospital, medical services facility, or other existing adult entertainment use, as that term is defined in this chapter. Such distances shall be measured by following a straight line, without regard to intervening buildings, structures or objects, from the nearest point of the lot upon which the adult entertainment use is to be located to the nearest point of the lot or the district boundary line from which the adult entertainment use is to be separated. All adult entertainment uses shall be conducted in an enclosed building. Regardless of location or distance, adult entertainment uses shall be arranged and conducted so that no visual observation can be made from the exterior of an enclosed building containing an adult entertainment use therein of any specified anatomical area or any specified sexual activity by virtue of any display in or on the building which depicts, exhibits or shows said area or activity. This prohibition shall apply to any display, decoration, sign or window or other opening, or any other means or methods of visual portrayal of information or advertisement.