Garden Wire Hi....I Have Bought Lovely Solar Garden Lights On A Long Wire And Want To Secure Them To A Garden Wall..?

Hi....I have bought lovely solar garden lights on a long wire and want to secure them to a garden wall..? - garden wire

What is the best way to do that, I am no damage to the walls, since it only took a few months ago, but you want to keep the wire ... Suggestions?

Salud!