Shadow has been used quite effectively in this storyline, but this shot is really one of my favorite examples of it:
(http://www.dsboards.com/SMF/index.php?action=dlattach;topic=54809.0;attach=98066)
I mean, what other daytime show was doing such dramatic lighting back in the day?! (Or even nighttime show on a regular basis?!) One of the reasons why 1897 became so popular is that the look of the storyline is just so amazing!!