english: If you’re wandering around, say, Sao Paulo, Brazil, or Athens, Greece, or San Francisco, California — you just might stumble upon a weed grown as tall as a building … on the building, that is.
non_english: Se ti trovi a passeggiare in posti come San Paolo in Brasile, Atene in Grecia o San Francisco in California, potresti scoprire per caso un'erbaccia alta tanto quanto un palazzo ... sul palazzo, cioè.