The Dunhuang murals are magnificently colored and utterly breathtaking.
Tips
usage
Used for visually rich scenes (fireworks, parades, murals, gardens) and metaphorically for "rich and varied" life, culture, history, memories. Typically positive - decorative writing rather than plain speech.
memory
Four characters, four angles on color: 绚 (dazzling) + 丽 (beautiful) + 多 (many) + 彩 (hues). Literally "dazzlingly-beautifully-many-colored."