What are these?
curtains
What is does this symbol mean?
recycle
What is this?
gas
What is this?
public transport
What is this?
pollution
What is this?
dustbin
What is this?
air conditioning
What is this?
sink
What is this?
electricity
What is this?
rubbish / litter
What is this?
plug
What is this?
petrol
What is this?
tap
What is this
path
What is this?
bulb
What is this?
rainforest
What is this?
dishwasher
What is this?
candle
What is this?
heating
What is this?
traffic jam