What does the figurative language his photos welcomed people into the past mean?

The figurative language in the phrase "his photos welcomed people into the past" suggests that the photographs evoke nostalgia and allow viewers to experience or connect with historical moments or memories. It implies that the images serve as a gateway, inviting individuals to reflect on and appreciate bygone times. This creates an emotional resonance, as the photos transcend mere visuals to create a sense of time travel or reminiscence.