Hong Kong's Chief Executive Carrie Lam and China's President Xi Jinping arrive at the opening ceremony of the Hong Kong-Zhuhai-Macau Bridge at the Zhuhai Port terminal on October 23, 2018. - China's President Xi Jinping launched the world's longest sea bridge connecting Hong Kong, Macau and mainland China on October 23 at a time when Beijing is tightening its grip on its semi-autonomous territories. (Photo by Fred DUFOUR / AFP) (Photo credit should read FRED DUFOUR/AFP/Getty Images)
