Greek Yoghurt with Condensed Milk & Oranges

The base of this recipe was given to me — thank you, Ioanna. I added the oranges, but you might like to add another fruit. I sometimes use blood oranges, sometimes ordinary. Whatever sort you use, make sure they are sweet as sweet. You could actually serve this with any other fruit you like, keeping the orange juice and rind for mixing into the yoghurt, and then draping this over any other cut fruit — bananas, mangoes, plums would be beautiful...