Детская коляска для новорожденных Геоби С605 2 в 1

In December, the U.N. Climate Conference takes place in Paris. Ahead of the summit, we will release a series of stories, titled "Earthprints," that show the ability of humans to change the landscape of the planet. From sprawling urban growth to the construction of new islands, each site has profoundly changed in the last 30 years. Each story has accompanying NASA satellite images that show the scale of the change.

By Iris Zhao and Jessica Macy Yu

BEIJING, Nov 26 The commute for millions of people living in and around Beijing is a daily grind that is ever more time-consuming, costly and crowded as residents dodge, push and elbow their way onto buses and subways.

And there is no immediate relief in sight in a city that has more than 21 million residents and is growing fast.

Indeed, expansion over the next 15 years will put the Chinese capital at the centre of a new mega-city, as it integrates with the port city of Tianjin and neighbouring Hebei province, officials say. Current estimates of the population in the combined area is around 110 million.