73,000,000 is a great number.
Maybe not, for Hong Kong. This is the number of sharks killed for their fins every year, out of which over 70% are traded in HK.
The city is flagged as the major shark fin dealer.
Big appetite for fins roars the extinction alarm for sharks. In 50 years’ time some have declined for more than 80% in population.
The big fish is threatened, so is the ecosystem.
The spotlight is on, if you care to see.