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"Centered on a historic 2.17 km railway tunnel in Fulong built in 1924 during Japanese rule, this route combines old-time charm and excellent photo opportunities with noticeably cooler temperatures inside the tunnel. The full cycling itinerary around the area is about 20 km and typically takes three to five hours; the tunnel entrance is roughly a 10-minute bike ride from Fulong station, which is the usual rail access point." - Isabel Ong