Spanish trains don't fit in Spanish tunnels either! https://www.euronews.com/travel/2023/02/21/unspeakable-botch-spain-spends-258-million-on-trains-that-are-to

Spanish trains don't fit in Spanish tunnels either! https://www.euronews.com/travel/2023/02/21/unspeakable-botch-spain-spends-258-million-on-trains-that-are-too-big-for-its-tunnels https://www.euronews.com/travel/2023/02/21/unspeakable-botch... (The manufacturer actually warned that they were the wrong trains and the Spanish state rail company ignored them.)