RIASSUNTO
When a young Patric Blanc hung plants from his bedroom wall and dangled their roots into his fish tank, he probably didn't realise the impact his 'vertical gardens' would have on the world. Fifty years on, the Centre national de la Recherche Scientifique botanist and Laureate of the French academy of Sciences, has just unveiled his 156th creation, a £370,000 indoor garden climbing up the wall of an office block lobby in Singapore.