This centerpiece is simple and stunning. It is sure to make a dramatic effect. All that they did was submerged phalaenopsis orchids in a cylinder filled with water. The stems of the orchids were anchored with black pebbles inside vases, and then topped them with floating candles, which provided a gorgeous glow. This idea is easy to make yourself and can be altered to meet your needs, just change out the type of flower and the color of the pebbles and you have a centerpiece perfect for any wedding.