> This is not generally required when travelling between Schengen countries. It happens more and more due to illegal immigration. I've beens topped in trains,

> This is not generally required when travelling between Schengen countries. It happens more and more due to illegal immigration. I've beens topped in trains, buses, highway parking, by police officers asking of passport and reasons to travel. In Paris/Marseille/Strasbourg I've always been controlled since ~2020