köln,nordrhein-westfalen, deutschland-04-02-2021.the rhine boulevard in cologne, closed to visitors because of the corona

abbey alt april architecture attraction ausgangssperre benedictine building church city cityscape cologne corona cruise deutz einsam epedemie europe feiertag german germany geschlossen gothic heribert historic history house karfreitag kloster koln landmark landscape lockdown modern monastery north northrhinewestfalia office old rheinboulevard rhine rhinewestphalia river sperrung spring stairway style sun terrace tower travel trees urban verbot verlassen view water white