Construction workers are busy late at night.
Construction workers are busy.
Construction workers are dancing in the streets during the day.
The Clear Skies Act is not intended to reduce pollution of any kind.
The AUDIT system was developed by the World Health Organisation in 1992.
A woman at a party.
Multilingual computer kiosks have overcome language barriers to help native Americans living on reservations.
A racer in the desert
A woman is stomping an anthill.