Tokyo Metro’s Hanzomon Line trains unveiled
https://www.railwaygazette.com/vehicles/tokyo-metros-hanzomon-line-trains-unveiled/59250.article
The shape of the new trainset is similar to 17000 series train on Fukutoshin Line, which was also unveiled last year.
I guess there won't be new trainsets on Tokyo Metro's subway lines for a couple of years. The next one will be Tozai Line, which installed 15000 series in 2010.
