Hammersmith Underground is on boundary zone 1/2

Created by qwerty314 on 2016-06-09; known on 2016-06-09; judged wrong by qwerty314 on 2016-06-09.

• qwerty314 estimated 1% on 2016-06-09
• KnaveOfAllTrades estimated 13% on 2016-06-09
• qwerty314   judged this prediction wrong on 2016-06-09.