Tu because If you put Mi or mis son rojos it says my are red which dosen't really make sense. Since you put tu in front of son (plual) it would be they are red.
Si 2, Si Me Gusta Viajar, A Todas Partes Países Como Dubai, Soy Hispano Dominicano/ Hondureño, Mi Familia Es Amable
carolina es la novia de ricardo Carolina is girlfriend of Ricardo.
