Earth and Ashes (2004)

Elderly Dastaguir and his newly deaf 5-year-old grandson Yassin hitchhike and walk, but mostly walk, as they make their way to the coal mine where Dastaguir's son Murad works. Dastaguir must tell Murad that the rest of their family were all killed in a recent bomb attack.

Unfortunately the movie Earth and Ashes is not yet available on HBO Max.