The technology used for this virtual visit is not optimum on MAC.
For a better profit, we suggest you to use a PC.
But if you have no choice, have a look on the following possibilities
in relation with your type of MAC :
to know the type !

If you have a Power PC
Download Cortona

If you have an Intel
Download Octaga

For further information about the navigation : play the vidéo
Enter the virtual world with Cortona :
You need Safari to play the videos inside
Pavillon Noir - The Visit
To enter the virtual world with octoga, run it and use this link :
No videos avalaible
http://www.preljocaj.org/lavisite/pavillonnoir.wrl