Many Cyclades museums require upgrades due to growing collections, visitors

http://www.ekathimerini.com/220775/article/ekathimerini/life/many-cyclades-museums-require-upgrades-due-to-growing-collections-visitors

"The biggest such renovation project is currently under way in the Kastro district of Naxos town."  

I didn't notice nay work being done when I was last in Naxos in May 2107.  And where is Promponas House?