not out of the nowhere, they were indoeuropeans and settled in Iberia, just like germanic people settled in scandinavia and migrated southwards.
also the map taranis posted, i dont know, it is all very confusing, i am not not sure which theory to beliefe, central european origin or iberian.
also the map taranis posted, i dont know, it is all very confusing, i am not not sure which theory to beliefe, central european origin or iberian.