Pinky n Raj's Wedding cake

Lot to explaine in this wedding cake. This is made for my sister 's wedding in Sri Lanka. At the back its heart shape 3 tier cake with white orchid, the other two again 3 tier each round shape cake one with pink orchid n the other one with yellow orchid. And all these 3 are dummy cakes. The one in the front butter cake with a white bow. All these cakes are covered in bc icing n the rest gp. The flowers are done by my sister (bride to be) Pinky. At the time making this cake I had zero knowledge how to make flowers.