The photo of Denis, who died in Greece's worst rail disaster, is prominently displayed in front of the country's parliament, where his father has been on hunger strike for nearly two weeks.
Panos Ruci, 48, has camped outside the building since September 15, asking the Greek state for permission to exhume his 22-year-old son's remains in order to determine his cause of death.
Of the 57 people who died on the night of February 28, 2023, when a passenger train and a freight train collided near the central city of Larissa, the majority died in the crash.
But some families, backed by experts, suspect that their loved ones were killed by an explosion attributed to undeclared chemicals on board the freight train.
Compounding his pain, Ruci has said he is not even certain that the charred rema