Tempera painting is one of the oldest known methods in mural painting. Frederick has a bridge painted with a mural titled "Community Bridge". Pam unveils a new painted mural featuring the history of their branch. An advertising mural painted for the movie production has survived. In 1948, he replaced this with a colorful mural he painted himself. It is a less-detailed version of an earlier mural painted directly on the ceiling itself. The mural was designed as a triptych. The pediment is decorated with a mural depicting the Hindu god Indra. The interior is decorated with panels of mural. The mural remained covered until February 1934, when workmen peeled the mural off the wall. Inside there is a large mural, much destroyed, which depicts a battle scene. A 25-metre mural of this photograph was unveiled in May 2019. Shells are embedded into the plaster mural of the scene. Instead, the Commission approved the commission of a ceiling mural in its place. Rivera depicted the entire manufacturing process on the large north side mural.