Today's situation of parallel-flights over Belgium and the Netherlands to the ruhr area (#Ruhrgebiet).

https://globe.adsbexchange.com/?icao=44da62,4b0eb9,484bcf,45ceb2,4864bc,49d244,485d9e,484520,407bdf,ae0402,485f2a,4404d6,4895e9,3dc0a8,449725&lat=51.814&lon=5.616&zoom=7.3&showTrace=2022-06-15

See here all flights over Belgium and the Netherlands in the past:
👉 #Belgien
👉 #Niederlande

Here is the explanation:
👉 https://teleg.eu/s/pit_skywatcher/6558
👉 https://teleg.eu/s/pit_skywatcher/6559
👉 https://teleg.eu/s/pit_skywatcher/6560

Do you believe it? 😉