Did you know that the bodies of only five world leaders, including Lenin, have been preserved permanently for nearly 100 years? This is not just a technical success; it’s a story intertwined with the choices of the era and deep political backgrounds.

The history of Lenin’s body preservation is actually quite fascinating. When he died in 1924, there were plans to bury him normally, but the public’s mourning enthusiasm was so intense that they abruptly switched to cryogenic preservation. The initial freezing plan was halted after one month, but afterward, Soviet scientists repeatedly experimented and developed a special embalming solution. They established a technique to suppress bacterial growth by replacing the water in the body. This became the foundation of modern permanent body preservation technology.

Lenin’s mausoleum is equipped with a constant temperature cooling system, maintained continuously by laboratory experts. There are weekly restoration procedures, and periodic comprehensive maintenance is also performed. Sometimes, minor transplant surgeries are necessary. Because of these strict processes, the body has remained in perfect condition for nearly a century.

But here’s where the historical choices come into play. The body of Stalin, another Soviet leader, was buried in Lenin’s mausoleum in 1953, but in 1961, as societal values shifted, it was cremated. Ho Chi Minh had wished to be cremated during his lifetime, but his successor decided to preserve his body, and during the Vietnam War, it was secretly stored in a cave for five years. There are stories that Soviet experts performed embalming in the cave while avoiding bombings.

In Angola, for Nétu, a new technical challenge arose: the leaching of melanin from the skin. Soviet specialists developed a special pigment preservation technique for this. His body is only publicly displayed once a year on his birthday. Meanwhile, Gottwald’s preservation was inadequate, and he decayed and was cremated in 1962. Gimtrof was preserved for over 40 years, but due to political changes in Eastern Europe, he was cremated and buried in a public cemetery.

The case of Mongolia is also intriguing. The body was placed in a mausoleum, but in 2005, the mausoleum was destroyed, and the body was cremated following Buddhist rituals. In other words, the changing times ultimately determined the final disposition of the body.

Ultimately, the preservation of bodies is a product of both technology and history. It only exists through the development of embalming techniques and the values of the era. Lenin’s body in the crystal coffin is both a testament to technological achievement and a mirror of history. How society treats that body reflects the times, and the technology is either preserved or discarded accordingly.