Yellow aspens in the fall, Uncompahgre National Forest, Colorado, United States of America, North America

Misty poplar tree landscape, Hacienda Zuleta, Imbabura, Ecuador, South America

Misty poplar tree landscape, Hacienda Zuleta, Imbabura, Ecuador, South America

Mural by Mauro Carrera at 2nd and Poplar Streets, Northern Liberties, Mural Arts Program, Philadelphia, Commonwealth of Pennsylvania, United States of America, North America

Copse of White Poplar trees, also known as Silver Poplar or Silverleaf Poplar, Populus alba, in Eastleach Turville in the Cotswolds, UK

A light-filled elementary classroom. A white ceiling reflects light from the windows above. Traditional building methods and materials, such as the poplar and willow ceilings are combined with modern solar and passive solar technology. Druk Padma Karpo Institute. Shey, Ladakh, India

A light-filled elementary classroom. A white ceiling reflects light from the windows above. Traditional building methods and materials, such as the poplar and willow ceilings are combined with modern solar and passive solar technology. Druk Padma Karpo Institute. Shey, Ladakh, India

A light-filled elementary classroom. A white ceiling reflects light from the windows above. Traditional building methods and materials, such as the poplar and willow ceilings are combined with modern solar and passive solar technology. Druk Padma Karpo Institute. Shey, Ladakh, India

Fall colors abound in Colorado during the seasonal change. Brilliant yellow leaves adorn the trees as far as you can see. A beautiful state to drive through during autumn, Colorado, United States of America

Fall colors abound in Colorado during the seasonal change. Brilliant yellow leaves adorn the trees as far as you can see. A beautiful state to drive through during autumn, Colorado, United States of America

Poplar tree plantation, tree nursery growing tall straight trees with white bark in Oregon, USA, Oregon, USA

Poplar tree farm or tree plantation in Oregon, Oregon, USA

Daocheng, Sichuan