说出下列景点的中文名称 1.Hall of Imperial Zenith 2.Palace of Heavenly Purity 3.Palace of Earthly Tranquility 4.Palace of Eternal Harmony 5. Palace of Gathered Elegance 6. Palace of Longevity and Health 7. Hall of Supreme Harmony 8. Hall of Central Harmony 9. Hall of Preserving Harmony 10. Hall of Mental Cultivation 11. Hall of Union 12. Meridian Gate 13. Gate of Supreme Harmony 14. Gate of Heavenly Purity 15.Gate of Divine Prowess 16.The Imperial Garden 17.Nine-dragon Screen Wall 18.Pavilion of Myriad Springtimes 19.Pavilion of One Thousand Autumns