Before and after coronavirus - scenes from the world's biggest cities

These are the astonishing before and after scenes from cities around the world - as countries go into lockdown to combat the coronavirus.

(Subscribe:



-------



Watch more of our explainer series here -

Get more news at our site -



Follow us:

Facebook -

Twitter -

Channel 4 News,china,virus,china virus,coronavirus,virus in china,china disease,covid-19,coronavirus china,coronavirus risks,coronavirus uk,coronavirus symptoms,coronavirus what is it,coronavirus china 2020,coronavirus outbreak,new china virus,coronavirus britain,china virus wuhan,lockdown,uk lockdown,uk,usa coronavirus,italy coronavirus,spain coronavirus,france coronavirus,south africa coronavirus,india coronavirus,