What is this sign?
Clean
What is this sign?
Glass
What is this sign?
Earth
What is this sign?
Tree
What is this sign?
Sun
What is this sign?
Earth Day
What is this sign?
April
What is this sign?
Spring
What is this sign?
Energy
What is this sign?
Recycle
What is this sign?
Water
What is this sign?
Paper
What is this sign?
Happy
What is this sign?
Flowers