frankfurt am main, view across the river over the european central bank. ecb, in the background with the skyline and a sunset

across arch architecture background bank banking blue bridge building business central city cityscape cloud district downtown dusk ecb eu-staaten euro europe european europäische europäischen eurozone evening ezb ffm finance financial frankfurt germany glass headquarters hesse high international landmark main modern money nationalen night office over overpass reflected reflection river shimmering ship sky skyline skyscraper stadium sunset sunshine surface system tower transport union urban vessel view water waterway währungsbehörde währungsunion zentralbank zentralbanken