Man-woman relationships 32 History 25 Operas 13 Love 9 Architecture 8 Packaging 6 Art, Chinese 5 más ... Environmental aspects 5 Painters 5 Photography, Artistic 5 Singers 5 Social aspects 5 Triangles (Interpersonal relations) 5 Valkyries (Norse mythology) 5 Art, Modern 4 Design 4 Literature, Modern 4 Mythology, Norse 4 Quests (Expeditions) 4 Rings 4 Artists 3 City planning 3 Composers 3 Courtesans 3 Dwarfs (Folklore) 3 Effect of human beings on 3 Food habits 3 Förpackningar 3 Giants (Folklore) 3 Gods 3 menos ...