The idea was to create a stacked market , like the market in front of it .
The idea protected against the weather ( at the time , traders at the market did n't even use covered stands - everything was just placed on the floor ) .
The idea was to create a stacked market , like the market in front of it , but protected against the weather ( at the time , traders at the market did n't even use covered stands - everything was just placed on the floor ) .