Fruit from the Vine
These are called Campari tomatoes. They're from the Campari region of Italy, and they grow like this because they ripen from the top of the vine to the bottom. Since the top tomato gets the most water in the growing process, the bottom ones stay unripe until the ones above it get plucked. These are ideal for people who have gardens because they can pluck their top tomatoes without having to worry about the other ones on the vine rotting from getting overripe.