By Katharina Buchholz
RIO DE JANEIRIO, BRAZIL - According to a study by research website Comparitech, most of the world's most surveilled cities are located in China.
The country has been making headlines for its generous use of surveillance technology and is featured heavily throughout the whole ranking that looked at the 150 most populous cities worldwide, excluding those for which insufficient data was available.
The Chinese city of Taiyuan, located in the Shanxi province roughly 300 miles southwest of Beijing, tops the list with 120 public CCTV cameras per 1,000 inhabitants. The highest-ranked non-Chinese city is . . .