This week, the workers at TMB in Barcelona are on strike. Transport will be minimal. Ada Colau, the mayor of Barcelona, says what as this week is the Mobile World Congress there can not be strike. Ada Colau has tried there were not strike but it has failed to. Ada Colau it was angry because the metropolitan transport was minimal this week. TMB employee says: Monday and Wednesday there's an underground strike and on Tuesday and Thursday there's a bus strike.