"We have three cities among the top 20 in terms of cleanliness in the world, and we have a lot of opportunities to work with China on that everything from water use to air pollution to traffic control and that goes with the clean-tech side of things, so I think that represents a big win-win situation that both countries can work on," said Barton.
In video footage that recently went viral, Crossman said that he initially saw the group as busybodies, but his opinion changed once he was on the inside.
Xicheng Dama are volunteers, usually women in late middle-age, who roam the streets of downtown Beijing's Xicheng district. And now Crossman has joined their club.
They included setting up a network of police stations in all cities and townships to quickly react to any emergencies.
Qian Jiannong, senior vice president of Fosun International Limited, investor of the first Atlantis resort in China, has high hopes of Hainan's future.