The “Inui-dori “(Inui Street) in the Imperial Palace in Chyoda-ward, Tokyo was temporarily open to the public Dec.5-9th. (http://www.kunaicho.go.jp/event/inui.html)
Totally, 202,820 people visited the street on the five open days with 28,000-45,000 visitors each single day. The Imperial Palace in Chiyoda-ward is now a quite popular tourist destination visited by tourists including foreigners, even though the open area are limited. The popularity might increase even more from now on.