The 403m tall Baluarte bridge spans a deep ravine in the Sierra Madre Occidental mountains in northern Mexico. It is part of a new highway crossing some of Mexico's most rugged terrain ...

As a young man, in the 1870s, he was moved to tears by the beauty of the mountains. In 1880 ... into Mexico's Sierra Madre, and were still living there. In six and a half years in Mexico, he ...