1 shooting star -

2 way too many turns -

3 behind the curtain -

4 hard wired -

5

6

7 no entry

8 no entry II

9 step by step (1x2 ratio)

10 all in all -

11

12 - 75 and counting

13 ventilation -

14

15

16 - halfway down - (1x2 ratio)

sticks and stones -