sarah ramadan says that artistic freedom is being thwarted. >> the syndicate isn't independent, even, from a legal point of view. its job should be protecting the interests of its members, but in fact what it's doing is reflecting the government's position. lines of fans outside concert venues are becoming a more common sight again, a few mahraganat performers have been allowed back on stage, after tweaking their lyrics and toe-ing the syndicate line. abou leyla, the "father of the night," won't be changing his lyrics. he hopes the syndicate will be flexible. either way, he's certain the sound of his generation won't be silenced. ♪ >> a declining birthrate, a rapidly ageing population. china is dealing with the consequences of its one-child policy, introduced in 1980 and only lifted in 2016. now there's no one to take care of the elderly. the state is pinning its hopes on advanced tech. >> this control room coordinates the vital data of some 160 thousand elderly people. their heart rate, blood pressure, movements, and much more. it's china's vision of elderly care services. >> we ana