The world’s longest pedestrian suspension bridge it opened near Arouca in northern Portugal. The see-through metal wire bridge is 516-metre-long (1,693-ft) and hangs 175 meters above the fast-flowing River Paiva. Locals hope the attraction, which cost about 2.3 million euros ($2.8 million) and took around two years to build, will help revive the region, especially after the devastating Covid-19 pandemic.