old courthouse in koblenz at the rhine, 2018

windows white waterway wall visible vehicle vacation turreted trees traditional town tourism surrounding structure stonework small skyline setback sea rooftops riverboat riverbank river right rhine retaining packed old neighbourhood nearby multistory marina lush located lawns landmark koblenz intricate historic harbor green gray germany flanked features europeanstyle estate downtown docked dock diversity densely creating courthouse city canal buildings building boat backdrop area architectural arched adding koblenz unesco heritage rhine valley middle valley mittelrheintal koblenz koblenz rhein rhein rhine river river valley beautiful europe tourism travel travel destination unesco weltkulturerbe mittelrheintal vacation confluentes coblenz