displaying complex DGN file

[kristjan]

Hello

I have DGN - file with towns electrical cables information and I want to 
show it on the town map.
The problem is that this DGN file has many layers and it includes lines 
text and symbols - so that it is not wery
good option to show it with Mapserver integrating it to the map file 
layer by layer.
Does someone have some good practice to solve this problem?

Kristjan