я думаю что контейнер здесь = ordinary 20' container rebuilt for commercial use as a kiosk. they proved to be very convenient. just to cut small window for selling and you have a ready kiosk. needless to say that it is very easy to trnsport them and as a mobile units they do not subject for any forms of taxes as "conventional" buildings.

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Note added at 2004-02-08 15:35:49 (GMT)
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pavilion vs. shop - usually only one-storey light temorary structure, used for retail trading. It is expected that a pavilion has a lot of windows for the light coming inside. usually it has no heating. I think they were used for exibitions at first but their convenience for retail trading led to wide usage.
As usual - there is nothing more eternal than the temporary. Today a pavilion can be solid well designed building with full set of facilities.

Shop=магазин trading compartment being a part of a classic building. This how I understand this terms as a russian speaker.

But I can say - этот магазин находится в павильоне нр. 2 - here pavilion is type of the builging.

and торговый павильон - однозначно торговая точка в легком одноэтажном строении.