20 year old woman in a fancy gowns, standing on all fours , and her observer are

20 year old woman in a fancy gowns, standing on all fours , and her observer are under a table 8 foot radius banquet table table, the table is 4 feet height, there is no lights from any other source above them is the table bottom, the light is only from sides and outskirts of table skirt, there is no exit, there are no sides where light is more or less intense.