What is responsible for the mysterious sounds ? Image Credit: CC BY-SA 2.0 Brian Kerry
Valkenswaard residents have been hearing loud ominous trumpet sounds seemingly coming from the sky.
The unnerving phenomenon was recorded on the evenings of December 9th and 10th by Roy van Zon whose Facebook uploads have since generated a great deal of interest and debate.
"I received messages from people saying that I edited this, but I didn't do that," he said during a radio interview. "I'm glad I wasn't the only one who heard these sounds, as I thought I was going crazy."
The sounds, which can be heard in the video below, resemble a sort of loud brass trumpet or metallic scraping, however it is unclear what is producing them or how far away the source might be.
While some social media users have likened the sounds to the apocalyptic trumpet calls described in the Book of Revelation, others have favored less divine interpretations.
One crane operator has suggested that the sounds could be coming from a crane moving in the wind and it is possible that some other type of industrial machinery could be responsible.
As things stand however, no definitive explanation for the phenomenon has been found.