The optical illusion is caused by a regular rainbow and a sunset happening at the same time.
Nacreous Clouds spotted in the skies above Bolton
英上空に珍しいピンク色の虹が出現、ダブルアーチで輝く姿が美しい – Switch News(スウィッチ・ニュース)
Rainbow over bristol hi-res stock photography and images - Alamy
Stunning pink rainbow spotted in the skies over Bristol and beyond
BRONCO☆Ace Of Sunlight UK Island Pink Ri - 洋楽
PICTURES: Rare pink rainbow lights up the sky over Dorset
Rare 'pink rainbow' spotted in sky over Bristol
Stunning pink rainbow spotted in the skies over Bristol and beyond
Spectacular 'pink rainbow' spotted over west of England
BRONCO☆Ace Of Sunlight UK Island Pink Ri - 洋楽
Rare Pink Rainbow In Skies Over England Left People With All Kinds Of Feels, Netizens In Awe
Rare Pink Rainbows Light Skies Of South And West England
Rare pink rainbow spotted in the skies over Devon - Devon Live
Un arc-en-ciel rose bonbon très rare illumine le ciel en Angleterre