A loud bang was heard in Moscow, followed by a strange black smoke ring in the sky

A loud bang was heard in Moscow, followed by a strange black smoke ring in the sky.

Caught on video strange black ring in the sky

A strange ring of smoke appeared over Moscow

Black Smoke Ring over Santa Clara, California

Video shows black ring-shaped UFO hovering in the sky at Disneyland sparking theories of an 'alien portal'

Is Katy Perry Engaged To Orlando Bloom

Extraño aro de humo captado en Utah

#VIDEO: Strange smoke phenomenon in Sonora

Strange hole forms in the sky

Moscow's restrictions leave its streets empty

Why did CHINA'S SKY TURN BLACK?

Strange green laser that reaches the sky seen in Mexico

Black smoke towers over #Beirut port as warehouse fire rages on

Strange spiral light in the sky over Norway

Humo de funeraria de Tijuana cubre cielo de Tijuana