Attendants welcome guests inside Galaxy Macao, the latest resort in Macao, during its opening May 15, 2011. Some of the world's biggest casino operators are betting that Chinese moms and pops who like to gamble and also want to shop and dine will turbocharge growth over the next few years at Macao, the world's biggest gambling destination. Macao has so far relied heavily on mainland's young and wealthy for casino revenues, which totaled about $24 billion in 2010 -- well above what Las Vegas earned. [Photo/Agencies]