新闻纵贯线 Today updated 20:00 2018/01/27

一周新闻点评，四十年来北京上海人数首降

Welcome to 'Today' - an hour of world news and analysis -- Today keeps you informed and inspired. I'm Wuyou

Coming up：

--Population in Beijing, Shanghai down for the first time in 40 years

--Chinese"Wolf Father"takes 6-year-old son biking 60 kilometres per day for willpower training

--Chinese kindergarden dissects pig in front of kids as part of education

--Mobile game frog's journey goes viral for Chinese young people

For more on this, CRI's Wuyou joined in the studio by Teng Jimeng, Associate professor of American Studies at Beijing Foreign Studies University；manling，host of alight on literature and language café