234K views · 1.5K reactions | In 1986, close friends Keh Chin Ann and Toh Hong Huat vanished without a trace. Decades later, the "Missing McDonald Boys" remains one of the biggest unsolved mysteries in Singapore's crime history. We revisit the case of the missing Owen Primary School boys and some theories surrounding their disappearance. Follow Mustsharenews.com for more videos like this. | Mustsharenews.com | Facebook

11K views · 155 reactions | Looking for answers to more of history's most elusive questions? Don't miss new episodes of History's Greatest Mysteries: Solved every Friday on our YouTube Channel! https://www.youtube.com/watch?v=hvaeAn4yqdo | HISTORY | Facebook

16K views · 869 reactions | The mystery of ancient stone work captivates historians and archaeologists worldwide. The techniques employed by ancient civilizations to cut, shape, and transport massive stones remain enigmatic, sparking debates about lost knowledge of advanced tools. . #reels #history #mystery #ancient #technology #archaeology #architecture #wonder | History’s Mysteries | Facebook