How do I hang Christmas Lights and Garlands on Concrete?

Mari: How do I hang Christmas Lights and Garlands on Concrete?
We live on the 3rd floor and my husband and I want to hang a Christmas garland and some xmas lights, however the balcony we have is concrete. What can my husband and use to hang up our Christmas decorations?

Answers and Views:

Answer by karseystreet
Duct tape, make sure you tie the ends to something secure, can use a rope if you need to – just in case it does come loose.

Answer by bluena
use the mechanical tape or use nails to hang

Answer by msgtpepper
It might be a little expensive but I have used Command Adhesive strips. they worked well in our shower stall on tile.
Good Luck.