9 Mysteries of the Past That Still Remain Unresolved

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Rumble in Taos

A strange rumble was recorded in the small American town of Taos, New Mexico. It can be heard by all people who have been there, but the anomaly is that not a single device that captures sound can «hear» it. The origin of this strange hum and its source is still a mystery. At the same time, many people say that the rumble remotely resembles the growl of a diesel engine.

The Most Popular Amphibious Cars

These cars break all ideas about the latest technology and are able to travel not only by land but by water. Which of these amphibious cars will seem most unusual to you?