Spinnaker Tower, Portsmouth.

Walking across the glass floor and looking down seemed a good idea.

[Happyhippie]

how did you stay so calm, I would have been shaking and screaming hahaha

[Babs]

What a fabulous view down.

[Brennie B]

fab. but i could not do that. get vertigo, just looking at the pic

[JackieR]

Socks!!!!!... Its been too hot for socks!

[Dave Morris]

I was hanging on for dear life when I did this....great shot!

[John&Ann]

@sanaaijaz @onewing @brennieb @daveymo You get a bit of goosebumps and stomach churns a bit at the start but after a short while you overcome your instincts and its OK.

[John&Ann]

@30pics4jackiesdiamond At 300feet high the glass is quite cool. anyway its more hygienic and you wouldn't want to see my toes.