This document discusses the importance of religious centers in urban planning and development. It lists several major cities and their central places of worship, including Mecca and the Masjidil Haram mosque, Medina and the Masjid Quba' mosque, Bangkok and the Phra Viharn Luang temple, and Florence, Italy and the Duomo Santa Maria cathedral. The document emphasizes that religious buildings should be at the heart of urban centers. It concludes by thanking the reader.