The Mystery of Empty Monuments
A cenotaph is a grand memorial that contains absolutely no body. These monuments serve as symbolic graves for people whose remains are lost at sea, buried elsewhere, or simply unreachable.
The word literally comes from the Greek terms for empty and tomb. They are often built when returning a body home is impossible, especially after devastating wars or long-distance shipwrecks. By creating a physical place to grieve, these structures provide comfort to families who never got to say a proper goodbye. Many famous national memorials are actually cenotaphs rather than traditional burial sites.
Source: Cenotaph