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Another major factor in the loss of vibrancy is the largely vacant office buildings, with most of their workers who had commuted to New York still ensconced in home offices.

Any way you stack it, the numbers - and implicit deforestation - are staggering. There has to be a better way.

Ant is an affiliate of the Alibaba Group and a specialist in online financial services.

Apart from download speed, China also plays a world leading role in number of 4G users and optical fiber broadband users.

Another project he worked on is a residential apartment block in Manchester where young people live in small dormitory-like rooms and share first-floor spaces, which include communal space for studying, business meetings and hosting of small parties.