A man in a wheelchair passes by riot policemen during a protest to demand better welfare support, in the centre of La Paz

 
A man in a wheelchair passes by riot policemen during a protest to demand better welfare support, in the centre of La Paz
A man in a wheelchair passes by riot policemen during a protest to demand better welfare support, in the centre of La Paz February 24, 2012. Hundreds of physically disabled people arrived in La Paz on Thursday after marching for 1600km over 100 days, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: CIVIL UNREST POLITICS SOCIETY HEALTH)