A cold coffee cup in the restaurant

Uninhabited rooms

No-one's modern train

Inside the uninhabited subway

Books on the desk before the blackboard

Domino domino in S shape

A bunch of papers tied up

Garbage can earthen plant

Charts and graphs of environmental statistics

Three white pieces of paper

It's a good paper

Red apples from the first book on the blackboard

Books on the classroom table

Close-up of squeezed plastic bottles

A row of recycled garbage

A bunch of colored bottles of lids

Five environmentally friendly bottles recycled

The paper on the trash can in the box

Environmental protection of waste paper

Waste recycling in paper boxes

Five Waste Bottle Recycling Signs

A black and white gift box card

A lot of black rocks and a white stone

Scissors are used to cut green Sage

The green leaves on the branches