A man with a black hat in the middle of a street directing traffic.
A man is directing traffic.
A woman is directing traffic.
We use household diary data from the past ten years for our analysis.
A woman wearing an overcoat, on her cell outside.
The monstrous skyscraper was never located in Poland, it was always in America.
It is snowing outside.
The model thinks population growth is constant.
A person is riding a bicycle.