[Tagging] Viewpoint indicators (Panoramic tables)

[Jean-Claude Repetto]

Hello,

Is there a tag for viewpoint indicators ?

Some photos :
http://www.geograph.org.uk/photo/22489
http://en.wikipedia.org/wiki/File:Viewpoint_indicator.jpg
http://fr.wikipedia.org/wiki/Fichier:Table_d%27orientation.JPG

There is a "viewpoint" tag, but it is different :
A place where tourists, visitors, hikers might like to visit and take 
photographs.

Jean-Claude