Must say Halong Bay is pretty awesome.
The problem with any such list is that there are a lot more than just 7 wonders in the world.
They're always going to leave some fairly important ones out, no matter which 7 they pick.
That said, to pick on this one...
What's so great about Table Mountain and Jeju Island?
Sure, they seem to be pretty interesting geological formations... but I don't see what it is that makes them 'wonders of the world'.
The rest are pretty good choices though.
Komodos are pretty cool animals but so are orangatans... or any number of amazing wildlife... how did an animal get in this list?
I noticed that all these places are in the tropics (or very close).
There are some extremely beautiful wonders in the northern (snowy) regions too.
This should be renamed to the seven tropical wonders of the world
I've been to the Table Mountain and found it to be quite disappointing, really. Surely something more magical than that touristy park on a mountain top exists.