Barco has signed a contract to renovate what is thought to be the largest video wall in Latin America. The contract was signed on the second day of a Belgian Economic Mission to Brazil. The 50-metre video wall was installed in 2011 at CPTM in Sao Paulo, the largest rail passenger transport operator in South America. CPTM servers around 1.9m passengers a day across 196km of tracks, on six lines, with 57 stations. The control system installed 13 years ago features 66 LED rear projection cubes (OL-271) in a 32 x 2 and 1 x 2 configuration, which are op...