Physical evidence refers to material traces and articles that can prove the true situation of the case. The characteristics of physical evidence are its shape, quality, characteristics, and location, etc. , which reflects the facts of some cases, and people can prove the truth of the case. According to the above definition, which of the following is physical evidence? ['a traffic accident occurred on the highway, a scene photo taken by a traffic police surveying the scene.', 'In the trial of a vicious homicide, witnesses who feared retaliation and were unwilling to testify in court, provided a tape recording of testimony.', 'the stolen vehicle recovered by the police in a certain area in the fight against the theft of motor vehicles.', 'the fingerprint identification report made by the appraiser based on the fingerprints taken by the police at the scene of the theft.']