"Commemorative plaque \"Rhine and Danube\""@en . "Placa conmemorativa \"Rin y Danubio\""@es . "Plaque comm\u00E9morative souvenir \"Rhin et Danube\""@fr . "Targa commemorativa commemorativa \"Reno e Danubio\""@it . . . "Commemorative plaque \"Rhine and Danube\""@en . "Placa conmemorativa \"Rin y Danubio\""@es . "Plaque comm\u00E9morative souvenir \"Rhin et Danube\""@fr . "Targa commemorativa commemorativa \"Reno e Danubio\""@it . "Gedenktafel Souvenir \"Rhein und Donau\""@de . "Herdenkingsplaat \"Rijn en Donau\""@nl . . . .