There were 150 people at the anti-Biden protest in Berlin at Pariser Platz/Brandenburger Tor on Oct. 17. Jonathan Thron of the Bürgerrechtsbewegung Solidarität (BüSo) gave an interview to a TV station, but we are not sure whether it was the Bundestag TV or some other outlet of one of the parties. Here is the page that includes the 90-second BüSo video:
The BüSo distributed this leaflet to most of the crowd.
