These plants hit my attention by its textures and grey colors!
It's called clematis vitalba in Latin and in English Old Man's Beard
It is a vine which can extend up to 10 meters in height and contains the toxin Protoanemonine which is found in all plants of the buttercup family. Contact with the plant causes severe skin irritation like blistering, rashes and itching.
Ingesting it can cause nausea, vomiting, spasms, hepatitis or paralysis. - Thanks to Lee Santiva for these precious informations.