The newly born Servicio DE Transportes Eléctricos del D.F. had to do this film to demeaning the bad press caused by "La Venta" accident the previous year, the story and some actors come from Subida al Cielo, and show the company shops at Indianilla neighborhood in México City. Aside from Buñuel intention of a series of sit-coms, his surrealism becomes an every day fact in the Mexican way of life, such anecdotes still happen at STE, now mostly with trolleybuses and the Xochimilco LRV. When we got a VHS copy, we showed it at Tetepilco depot, amusingly the Transportation Dept. boss was also an Ingeniero Benítez, and our efforts to save rolling stock from the torch, have became a nice Traction Museum, without everyone around getting drunk, I'm the Union Historian and had to check it frame by frame to list appearing units: At the opening scene we see several types later succeeded by the first Westram trolley-coaches and a PCC in the Transfer-table, 133 real number was 378, a Brill 11 windows 2-trucker, many points of Mexico City to be checked, for example when they leave the school kids at a filming it was at Calzada de Tlalpan across the gates of CLASA-Films! and the Overhead-repair trolley that block the return to the depot is to be restored at Tetepilco Museum. must add more comments later---