Near the meeting of the French, Swiss, and German borders is the city of Basel, straddling the Rhine River. Regarded as one of the best cities in which to live, it has a long history as a venue for international gatherings, and a healthy economy as a center for banking and pharmaceuticals. Growing around a Celtic settlement that became a Roman fort, and then as a semi-independent bishopric, Basel expanded its walls and built markets atop the Rhine’s urban tributary, the Birsig River.
The river flows in a park-lined channel through the city, descending into darkness for its final miles beneath the city’s historic center. Above is the tunnel portal at Birsigstrasse, high enough for a small vehicle to enter when the water is low. Continue reading