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Daniel Kirschen, a professor of electrical engineering at the University of Washington in Seattle, said: "It's a question of economics. Farming is not always very profitable. In some situations, it is more profitable to lease the land to a solar farm than to use it to produce agricultural products."

Data from the State Administration of Press, Publication, Radio, Film and Television, or SAPPRFT, show visits to urban theaters rose 18 percent to 1.62 billion visits last year, up from 1.37 billion in 2016.

Dave Brown, Amazon EC2 vice president, announces the new Mac Instances on Monday night.

Debate continues to rage over e-sports' claims to athleticism, so the International Olympic Committee and Intel are touting the pre-Games promotion as something of a topical treat.

Daniel Sun, research vice-president and analyst at Gartner, a leading research and advisory company, said it will still take some time for Chinese companies to deepen the digital transformation.