So many things change when a person ages. Wrinkles, changing hairlines, graying hair, the list goes on... But one thing that always stays the same is a person's identity.
For his latest project called "Faces Of Century", photographer Jan Langer captured over a dozen Czech centenarians and compared their pictures of when they were young, and when they were over 100 years old. "This set of comparative photos explores the similarities and the differences in appearance and in physiognomy," Langer writes about his project. "The characteristics of personality change throughout life but it seems as if individual nature remains rooted in the abyss of time." See the portraits below.