Moldy bread disc (RM)

Recycling (RM)

City Hall, Stockholm (RM)

Grand Canyon in Arizona, USA (RM)

Automotive (RM)

World Financial Center in New York, USA (RM)

Chemical industry (RM)

Mount Fuji, Japan (RM)

Café, France (RM)

Potatoes in the microwave (RM)

Crane (RM)

Marina City in Chicago, USA (RM)

Wind power in California, USA (RM)

Tower Bridge, United Kingdom (RM)

Buildings in San Francisco, USA (RM)

People flying with dragons (RM)

Cat (RM)

Bubble blower (RM)

Paper for recycling (RM)

Weather in Japan (RM)

San Diego, USA (RM)

Cargo ships in the sunset (RM)

Snowman (RM)

Automotive (RM)

Kaktus (RM)

Kaktus (RM)

Eiffel Tower in Paris, France (RM)