Tue 05 May 2004Glass act at the botanic gardensIt was so decayed that the wind was blowing in windows. But after two years of meticulous work the Great Palm House is ready to reopen, writes Jane PowersWhen it was built, in 1884, it cost just under £800 and took six months to erect. A hundred and twenty years later it has taken two years to restore and rebuild, at a cost of more than €14 million.