Pontoon bridge innovation, in 1708 a Swedish army used a leather pontoon bridge to cross a river before the Battle of Holowczyn French general Jean Lannes's troops built a pontoon bridge to cross the Po river prior to the Battle of Montebello (1800). Napoleon's Grande Armée made extensive use of pontoon bridges at the battles of Aspern-Essling and Wagram under the supervision of General Henri Gatien Bertrand. General Jean Baptiste Eblé's engineers erected four pontoon bridges in a single night across the Dnieper during the Battle of Smolensk (1812). Working in cold water, Eblé's Dutch engineers constructed a 100-meter-long pontoon bridge during
Baltic Cable the only crossing of two submarine HVDC cables in the Baltic Sea and one of the only few worldwide. From the landing point at the southern coast of Sweden at , the Baltic-Cable runs a further as an underground cable until a point east of the road E6 at , where inside a fenced area the transition from underground cable to overhead powerline takes place. From there the powerline runs as overhead line over two suspension pylons in north-northwesterly direction until the first strainer at . There the line turns into north-northeasterly direction and runs over seven suspension pylons past