
Bus drivers of STCP gather at Via Norte station during a general strike in Porto, Portugal, 24 November 2011. Portugal's main worker's unions have called a general strike to protest against the government's austerity measures. EPA/JOSE COELHO

Parked buses are seen at Via Norte station during a general strike in Porto, Portugal, 24 November 2011. Portugal's main worker's unions have called a general strike to protest against the government's austerity measures. EPA/JOSE COELHO

Passengers gathered at the international airport of the Algarve during a general strike in Faro, South of Portugal, 24 November 2011. Some of the passengers destined for Seville in Spain had to travel by coaches due to the general strike action. Portugal's main worker's unions have called a general strike to protest against the government's austerity measures. EPA/LUIS FORRA

Bus drivers of STCP gather at Via Norte station during a general strike in Porto, Portugal, 24 November 2011. Portugal's main worker's unions have called a general strike to protest against the government's austerity measures. EPA/JOSE COELHO

Passengers gathered at the international airport of the Algarve during a general strike in Faro, South of Portugal, 24 November 2011. Some of the passengers destined for Seville in Spain had to travel by coaches due to the general strike action. Portugal's main worker's unions have called a general strike to protest against the government's austerity measures. EPA/LUIS FORRA

Passengers gathered at the international airport of the Algarve during a general strike in Faro, South of Portugal, 24 November 2011. Some of the passengers destined for Seville in Spain had to travel by coaches due to the general strike action. Portugal's main worker's unions have called a general strike to protest against the government's austerity measures. EPA/LUIS FORRA

A man walks by a graffiti calling for a general strike on 24 November, in Porto, Portugal, 23 November 2011. Portugal's main workers' unions have called for a general strike on 24 November to protest against the Portuguese government's austerity measures. EPA/JOSE COELHO