What are the new Piccadilly Line trains really like? - ÃÛÑ¿´«Ã½ Sounds

What are the new Piccadilly Line trains really like? - ÃÛÑ¿´«Ã½ Sounds
What are the new Piccadilly Line trains really like?
The new trains feature a new seat fabric, air conditioning, and walk-through carriages.