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Liebherr is re-entering the rough-terrain cranes, after a two-decade break from the segment, with two models: the 90t LRT 1090-2.1 and 100t LRT 1100-2.1 — set for launch at Conexpo 2017 in Las Vegas.

Tens of thousands of sandhill cranes return to southern Arizona each fall, part of a migration that's been going on for thousands of years. Sandhill cranes are thought to be the oldest living bird ...