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BEHOLD! The ultimate 2 ft gauge steam operation: the Fffestiniog and Welsh Highland Railways in Wales (it's technically 23.50 inches, but...close enough). It inspired the creation of the Maine 2 ft gauge system and also the legendary 3 ft gauge system in Colorado, both of which were part of a late 19th century fad in the US rail industry called "Narrow Gauge Fever". This one railroad changed an entire industry on another continent!