1: Cause of a bad air day

5: Eyes

9: Sleeveless garment

13: Safe spot

15: Bearded mammal

16: Not fooled by

17: Combat site

18: Alternatives to mobile phones

20: National park employees

22: Juicy plants

23: Water temperature 'gauge'

24: Lowlife

25: Balanced

26: Caught in a trap

28: Head for the hills

30: Ran in front

31: Amaze

32: Protective trench

33: Four-poster, e.g.

34: It can put you on a different flight

37: It may be passed on the Hill

39: Strongly advise

40: Chopped chow

43: Resort hotel

44: Tickled-pink feeling

45: Frasier senior

47: Strained

49: Mindless card game

50: Undivided

51: Much the same

52: In the continental U.S.

55: Mod wear

57: Fought the clock

58: Scratched (out)

59: Browser function

60: Traffic problem

61: Promontory

62: Precious stones

63: Apart from this

1: Elevator parts

2: Strands

3: Gorge

4: Kind of pool

5: Eyed rakishly

6: Niagara Falls sound

7: Outlaws

8: Avg.

9: Unveiling comment

10: Exalt

11: Filled with determination

12: Like some salads

14: Coming into being

19: Not on schedule

21: Small amount

25: Words with precedent

27: Corrode

28: Blacksmith's workplace

29: Boot binding

32: Entangle

33: Tolerate

35: Word heard on December 31

36: Liberal ones

37: Resembling King Kong

38: Eyeteeth

41: Not complaining

42: Blocks

43: Pollen producer

44: Turns to the right

45: Golf range surface

46: Razz

48: Slides on ice, maybe

49: Charlie of the Rolling Stones

52: Fries, often

53: Hang decorations on

54: Rational

56: Barrel of suds