Emissions reductions are required by the end of 2007.
Emission reductions are legally required by the end of 2007.
Emissions reductions are currently voluntary.
The city did not sustain any damage during the 13th century.
a boy going down.
A human under a tree.
A person is sitting on steps.
These people are the forerunners of modern society.
A woman in a hat standing behind a doll stand.