Super Explorers bring you interesting facts and full-colour photos all about big and fast trains. Trains can move freight and goods or people across the city or country; Early trains were pulled by horses; then came the steam train; Newer trains can be electric, diesel or even powered by magnetic levitation; Some trains go as fast as 300 kilometres per hour; One of the longest rail tunnels in the world is under the English Channel, connecting France and Britain completed in 1994.