Cities These are not all the cities in the world, just the ones that hold hands with SFO Museum
Bonn (DE)
Borroloola (AU)
Boston (US)
Boulogne-Billancourt (FR)
Brasilia (BR)
Bridgeton (US)
Bristol (US)
Brize Norton (GB)
Brownsville (US)
Budapest (HU)
Buenos Aires (AR)
Buffalo (US)