Of course, that is gonna happen if no one takes care of it. I dont think enviornmentalist (if any) are doing anything in Vietnam, let alone here in the states. I hold the vietnam government responsible for the coral reef's demise. They should of protected it. 
_________
30g reef tank, CPR CY192 filter w/ DIY plumb running Rio 17HF return, Coralife 3x 9w UV Sterilizer, 3 24W T5-Helios 10K Daylights/3 24W T5-Helios Blue lights, 2 Logysis blue meteor light strobes (moonlights/24 Blue LEDs).
Tiger tail cuke, asst. snails/hermits, asst. feathers, rainbow acan,zoos,shrooms,bubble,galaxea, asst. shrimp, 2 ocellaris,mandarin,zebrasoma xanthurum,pink-spot watchman,red-striped pistol. | 
Death of the Ha Long corals 
