Cryptic crossword No 2,817

Across

1. Location with many shops, a thousand on each side (4)
2. Brief lessons in sin: naughty ginger rousing powerful emotions (10)
3. Artificial content of bangers at Zédel (6)
4. Ilinx is overly devoted to unfinished lower city. (8)
5. Composer, fashionable one following one who follows old gods (8)
6. Youthful expression expressing “throw”, primarily. (4)
7. Geological theory, in which clay sat so simply, returning (8)
8. Available, as fingers are (2,4)
9. No mode in chemins de fer for remodelled side (6,5)
10. Powerless aviator's assistant has cloth cap and even beard (10)
11. Universal solvent, in for a cold season (6)
12. One in closing round is last and first (8)
13. Actor Florence accepts Leonardo emptied out till (6)

Down

1. 20’s metaphor for work has books rising above commercial (4)
2. Be beaten in courts and cupboards (7)
3. Soothing ocean (7)
4. Dark in an outhouse, with 20% of six semitones (10,5)
5. Bundle of rope, top to bottom, is symbol of life (4)
6. Concerning agent that follows jumper: put new top on (8)
7. Movement poet’s god of hearth and family (6)
8. Cuts 100 pages (7)
9. Powerful Chinese dynasty absorbs traveller on vacation (6)
10. Ingredient found in tonic, in harlequin, in entertainer (7)
11. Earth moves around hesitation? It should move, primarily, for joint condition (10)
12. Broken axe put in neutral disrupted part of Requiem (3,7)
13. Capture knight with hard chess opening - in retrospect, give name (8)