Some examples of volunteer work camps for museums. 

 - Paris-FR  :   Unesco,   1989. 
 - p. 188-189 
 - Trimestral 
 - Vol. XLI, no. 163-3 (1989) 
 - Museum ;   no. 163-3 .
 - Francia.   Unesco. .
<br/><br/> Frankly speaking.  Museum at forty.