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A man rides an escalator inside Shoppes at Cotai Central, operated by Sands China Ltd., a unit of Las Vegas Sands Corp., in Macau, China, on Tuesday, May 6, 2014. Gambling industry revenue in the former Portuguese enclave jumped 19 percent last year to $45.2 billion, about seven times that of the Las Vegas Strip. Photographer: Brent Lewin/Bloomberg via Getty Images

A man rides an escalator inside Shoppes at Cotai Central, operated by Sands China Ltd., a unit of Las Vegas Sands Corp., in Macau, China, on Tuesday, May 6, 2014. Gambling industry revenue in the former Portuguese enclave jumped 19 percent last year to $45.2 billion, about seven times that of the Las Vegas Strip. Photographer: Brent Lewin/Bloomberg via Getty Images