I am a celebrated edifice composed of 21 letters. My 16, 19, 12, 3 is a bird. My 4, 18, 8 is color. My 10, 14, 17, 19, 21, 6, 11, 20 is customary. My 15, 2, 8, 7, 1 is a box. My 13, 5, 9 is to set down.