(aka Zy los or Kiyo)
Sapporo is awesome in general and if you're going to do a sidetrip for snowboarding, but Sendai is going to be pretty dead (they get more snow than Sapporo iirc but less winter sports around)
Sapporo is awesome in general and if you're going to do a sidetrip for snowboarding, but Sendai is going to be pretty dead (they get more snow than Sapporo iirc but less winter sports around)