New York startup works to revive classic building techniques // TRAIN BRAIN

New York startup works to revive classic building techniques

Many of the world's greatest historical structures and buildings have been constructed with stone, but the material is largely no longer used in construction because of its cost. A New York startup is trying to change that.
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CBS Mornings

Each weekday morning, "CBS Mornings” co-hosts Gayle King, Tony Dokoupil and Nate Burleson bring you the latest breaking news, smart conversation and in-depth feature reporting. Watch "CBS Mornings" on weekdays at 7 a.m. ET on CBS and stream it at 8 a.m. E...

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