This crossword No. 13456 clues and answers were published on Tue 25 Jun 2013 and the puzzle can be visited by following The Guardian Quick Crossword No. 13456 link.
All Across Clues and Answers:
1-across – It runs from the Place de la Concorde to the Arc de Triomphe : CHAMPSELYSEES
8-across – Still — force 0 on the Beaufort scale : CALM
9-across – Finally : INTHEEND
10-across – Personal effects : BELONGINGS
12-across – Vehicle for travelling over snow : SLEDGE
14-across – City on the River Wear : DURHAM
15-across – Onerous : BURDENSOME
19-across – Lab vessel : TESTTUBE
20-across – Well ventilated : AIRY
21-across – Attired so as to attract and impress others : DRESSEDTOKILL
All Down Clues and Answers:
2-down – Celestial : HEAVENLY
3-down – Latin American dance of Haitian origin : MAMBO
4-down – English : SHINGLE
5-down – Allowed to enter : LETIN
6-down – The Faerie Queene poet : SPENSER
7-down – Nose : EONS
11-down – Royal residence in Scotland : BALMORAL
13-down – Formal discussions : DEBATES
14-down – Most profound : DEEPEST
16-down – Reddening cosmetic : ROUGE
17-down – Light meal : SNACK
18-down – Shoulder — stomach : BEAR
This crossword has in total 22 where 10 are across and 12 are down.