Find the opposites of these adjectives in the article about Songdo: small, noisy, dirty, ugly, old, uncrowded, stupid.

1. The opposite of "small" is "large". 2. The opposite of "noisy" is "quiet". 3. The opposite of "dirty" is "clean". 4. The opposite of "ugly" is "beautiful". 5. The opposite of "old" is "modern". 6. The opposite of "uncrowded" is "crowded". 7. The opposite of "stupid" is "intelligent".