Why mighty Xi Jinping is afraid of tiny Hong Kong

The Chinese ruler did not spend the intervening night in the territory, instead, he slept in Shenzhen, across the border in what is called “mainland China.” 

Why mighty Xi Jinping is afraid of tiny Hong Kong
The Chinese ruler did not spend the intervening night in the territory, instead, he slept in Shenzhen, across the border in what is called “mainland China.”