Cloee Chao remembers when she first decided to challenge the billionaires of the world’s largest gambling hub. The 34-year-old single mother of two was working in a Macau casino in 2012 and the second-hand smoke was so thick she started hacking up black phlegm.
“I just couldn’t stop coughing,” she said. “I was scared. If I died, what would happen to my daughters?”