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”When you are going on a longer trip and have no specific goals, just pull out the "Turf map" and plan a route. There are many different options, e.g. [[Världsarv|World Heritages]], which right now guide my path. Then you are guaranteed to get to interesting places. Two that I particularly appreciated on this trip are impressive buildings of different ages. One about 2000 years old, the other 131.
Bizkaiko Zubia (Basque), [[Zon:PuenteVizcaya|Puente Viscaya ]] (Spanish), or as we say "Biscayabron", is the world's first "transport bridge", i.e. a suspension ferry connecting Portugalese and Getxo, located on either side of the Nervión River just west of Bilbao. The big advantage of this construction is that boat traffic is not disturbed. The bridge was designed by one of Gustave Eiffel's disciples and is considered one of the outstanding architectural iron constructions of the industrial revolution. It was completed in 1893 and is still in use around the clock. An estimated half a million vehicles and four million people use the bridge each year. And this year, one of them was me!
[[Fil:Biscayabron.jpg|none|600px|]]
Another building material was used 2000 years ago, when the (now French) city of Nîmes needed to be supplied with water. The skilled Romans then built a 50 km long aqueduct from Uzès to Nîmes, which it supplied with water for 500 years. And that with a remarkable precision: the gradient is only 12 m on the long stretch! It is also difficult to understand how they were able to lift 6-ton blocks of stone more than 40 m and insert them precisely in place. The highest bridge (in the entire Roman Empire) Pont du Gard, where the zone is located, is 48 m high, 275 m long and consists of three arches. Water flowed on the top level, people walked on the middle and heavier transport went on the lowest level. Coming to this place also gives you a nice nature experience along the river Gard. I took a bus from Avignon to Remoulins and walked not only over the bridge but also in the area, a nice change from long city walks.