We have lots of citrus this time of year, but this is the first time we've seen pomelos (they're the big yellow-green ones; the others are grapefruit and lemons). We've always had the tree, but this is the first year it's born fruit.
Pomelos are similar to grapefruit, but milder, and they have a much thicker pith. I love them peeled and sliced with a little salt.
We picked at least 3 dozen grapefruit, pomelos, and lemons yesterday, most of which we gave away to friends and family. This time of year we have far more than we can eat; in a month the season's over, and we'll have to wait for next year.