http://www.groupemarzocco.mc/index_en.html#/en/nos-projets-futurs/monaco/futurrealisation2,
http://www.odeon.mc/#/home, http://en.wikipedia.org/wiki/Odeon_Tower_(Monaco)
http://www.emporis.com/building/tourodeon-monaco-monaco
As the land value increases, a taller tower was eventually approved.
http://en.wikipedia.org/wiki/Monaco#Economy
http://www.destinationeuropa.info/monaco.html
Monaco has been a playground for the rich for quite a while & remains one of the worlds most exclusive areas.
http://www.cnn.com/2012/08/31/travel/monaco-yacht-show
http://www.city-break-savvy.co.uk/monaco/monaco-for-mega-rich.html
http://www.gourmetvoyageurs.com/country-pages/pages-monaco/index.html
http://news.sky.com/story/1069663/monaco-penthouse-worlds-most-expensive
http://gizmodo.com/5992409/we-all-want-to-live-in-monacos-odeon-tower-but-were-all-too-poor
http://ca.finance.yahoo.com/news/worlds-priciest-penthouse-may-hit-market-250m-151500620.html
Big money & urban pressers might eventually allow for a 60 & even a 70 story project. Despite the wealth in this area, there hasn't been much interest in allowing that many tall buildings. Perhaps that will gradually change over the next decade or so.
http://moneytowers.blogspot.ca/2013/04/the-towers-of-benidorm.html