The proper spelling of the phrase "Bardia mural" can be explained using the International Phonetic Alphabet (IPA). "Bardia" is pronounced as "bɑːrdɪə," with stress on the second syllable. Meanwhile, "mural" is pronounced as "mjʊərəl," with stress on the first syllable. Therefore, the complete pronunciation of "Bardia mural" would be "bɑːrdɪə mjʊərəl." This phrase refers to the famous mural painted by the British artist John Frederick Brill in the Italian town of Bardia after the Allied victory in World War II.