Ice cream is a stalwart on the dessert menu of many restaurants, whether that's fine dining or fast food. The popularity of dessert parlours is also testament to that, as well as the continuing joy of children and adults as they hear the familiar jingle of an ice cream van in the distance. When the sun comes out and temperatures rise ice cream is a go-to, whether in a cone or a tub, but what's the story behind it and what are the weirdest flavours enjoyed around the globe?