Talk:Tokyo Metro 7000 series

Tokyo Metro 7000 Series
Why is the Tokyo Metro 7000 series similar to the Tokyo Metro 8000 series and the Tokyo Metro 6000 series? — Preceding unsigned comment added by Jedd Raynier Eata (talk • contribs) 16:44, December 20, 2010‎
 * Please consider asking this question at the Reference Desk. Wikipedia is not a forum. Robert Skyhawk (T C B) 23:38, 20 December 2010 (UTC)