New Delhi, March 13 -- Videos of a beach in Iran turning bright red amid heavy downpour has taken over the internet, with people calling the phenomenon 'blood rain'. While some people find it amusing, others have been somewhat scared.

Here's what the blood rain in Iran actually is.

The video started going viral a few days ago but it was originally posted on February 22 on Instagram by a tour guide. The viral video shows heavy rain carrying down red soil to the beach. When it mixes with the sea, the water turns crimson too.

"The start of the heavy rain of the famous Red Beach of Hormoz," the tour guide wrote in Persian and captioned the mesmerising video.

"Serasima tourists seeing this rain is amazing," he added.

The tour guide also s...