Since the start of the Ukraine warfare, AfD MPs have repeatedly led teams of tourists to the Russian embassy. According to a SPIEGEL investigation, federal politicians are actually calling for these appointments to be put to an finish.
https://www.spiegel.de/politik/deutschland/omid-nouripour-fordert-ende-von-afd-besuchen-in-russischer-botschaft-a-8c6fe4c7-d7be-4dde-a190-01eb928ceef1#ref=rss