Vintage Enamel Signs

You don't see these anymore. In the past, these signs were made on heavy gauge steel and printed with enamel ink using a traditional silk screen printing process. That is a thing of the past. The durability of the signs is only exceeded by the quality of the artwork.
https://www.pinterest.com/pin/549439223259668496/

Revolving Sushi

Flying Ninja's at airport near Ninja Town

An added measure of airport security, flying Ninja's.
http://www.centrair.jp/en/