An investigation has uncovered a sprawling network of hidden cameras in Chinese hotel rooms that livestream guests -- including couples having sex -- to paying subscribers on Telegram. Over 18 months, the BBC identified six websites and apps on the messaging platform that claimed to operate more than 180 spy cams across Chinese hotels, not just recording but broadcasting live.

One site, monitored for seven months, cycled through 54 different cameras, roughly half active at any given time. Subscribers pay 450 yuan (~$65) per month for access to multiple live feeds, archived clips, and a library of more than 6,000 edited videos dating back to 2017.

The BBC traced one camera to a hotel room...