I am stuck on 3 can you please help?
10 down Part of footbridge (seven letters)
t-o-s-e
17 across Its inhabitants probably like flying ace passing through railway (six letters) c-i-r-
2 down. I have the first word as significant second word -i-i-s I think significant limits. The clue is supposing I'm unable to understand the thing in gestures, these give precision.