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Brian Charlson, with the American Council of the Blind, has been involved in wayfinding for over 30 years and has seen a number of airports and train stations try different technological approaches to make their spaces easier to navigate for the visually impaired. The NavCog app, he said, is a useful mashup of systems he's seen over the years.

Brian Hook, the current director of Policy Planning in the State Department, will lead the group with the formal title of Special Representative for Iran.

Both the Chinese and the Russian governments are simultaneously working in this direction to facilitate the increasing implementation of the joint projects and boost supply volumes, he said.

British Prime Minister Boris Johnson also plans to ease stay-at-home orders.

But 2017 appears to be a turnaround for the company. During the first quarter, sales revenue of CRRC Qiqihar reached 940 million yuan (7 million), up 84.31 percent from a year earlier. The company maintained and repaired a total of 2,550 freight cars between January and March.