Green power: These vibrant flowers help keep this solar-powered house energy efficient
Married couple Diane Cook and Len Jenshel travelled the world capturing their photographs of these stunning sights.
It is their latest project after 25 years spent producing images that show how human's influence their environment.
The eye-catching plants and flowers not only transform the top of dull office buildings but create habitats for birds and insects and are good for the environment.
They reduce noise pollution and release oxygen into the atmosphere.
