CONCEPTS: aurora, fill, sky

GEN: vivid green lights from an aurora fill the sky over a city

CONCEPTS: bidet, sit, toilet

GEN: A toilet and bidet sit in a bathroom that is under construction.

CONCEPTS: dress, summer, wedding

GEN: cute fans and short dresses for a summer outside wedding

CONCEPTS: air, clean, tree

GEN:
new study shows how trees clean the air