the 1930s when the line was opened by the Lacroze company, while others were completely removed and destroyed. Line C From Constitución to Diagonal Norte, the line features murals of Iberian landscapes created by Spanish artists such as Ignacio Zuloaga and Fernando Álvarez de Sotomayor y Zaragoza, which date back to the time of the line's opening by CHADOPyF. General San Martín station includes photographic reproductions of the Museo de la Ciudad (City Museum) activities, photographic reproductions and images of the Plaza San Martín and photographic reproductions of streets and building of the South zone of the city. Line D The line's murals on its original Catedral – Palermo route date back to 1937 and 1940, and began to be restored in 2013. These include murals by Argentine artists Benito Quinquela Martín in Plaza Italia station. There are also numerous showcase exhibits in its newer stations, with a series of ceramic reproductions by Raúl and Daniel De Francisco in Juramento station, ceramic reproductions of 4 murals made by Raúl Soldi in José Hernández station and showcases exposing works made in the Ceramic School No.1 in Olleros station Congreso de Tucumán station was the network's first "museum station" and holds numerous exhibits, among them busts of key political and cultural figures in Argentine culture and history such as Jorge Luis Borges and Manuel Belgrano displayed in glass enclosures in its platform walls. Line E Some modern murals on the line include an homage to the 1996 Argentine film Moebius at San José station. The film used the line as its primary filming locations and the murals depict scenes from it. Recently opened Correo Central station has received an award from the Association of Structural Engineers in Argentina for the quality and creativity of the work. Line H The newest line on the Underground has many Hermenegildo Sábat mural reproductions related to tango in all stations. Its numerous stations depict different tango singers and poets relating to the neighbourhoods in which they are situated. Santa Fe station was renamed to Santa Fe - Carlos Jáuregui in 2017, in honour of LGBT rights activist Carlos Jáuregui. Graffiti Graffiti on the Buenos Aires Underground became particularly prevalent in the late 2000s and early 2010s, and by 2013, four out of every five cars on the network had some degree of graffiti. By January 2015, all the painted cars had been cleaned by night-time cleaning