This scene is lit by harsh sunlight. To fill in some of the shadows on the bottom of the column, a bounce card reflects sunlight into that area. Click "use bounce card" to see the effect of the bounce card.

Bounce Card

Any piece of white cardboard can serve as a bounce card; professional cards fold up like those things people put in their car windows. Either way, the bounce card is positioned below the subject to bounce light into the shadow areas. It's amazing how much improvement a bounce card can add.