A semi trailer is inside a building , and people are gathered behind its open rear door where there are displays being set up .
A new department store is opening and the semi-trailer is delivering product .
A semi trailer is inside a building, and people are gathered behind its open rear door where there are displays being set up.
A new department store is opening and the semi-trailer is delivering product.
A new department store is opening and the semi-trailer is delivering product in sales.
A new department store is opening and the semi-trailer is delivering product in sales .