in the tightly knit urban fabric of mexico city, TAX arquitectura | alberto kalach designs the biblioteca jose vasconcelos amongst a luscious botanical garden. the design manifests alberto kalach’s desire to seize every opportunity to create green space In the polluted, aggressively built context. these two typologies are not so divergent, as the library houses human knowledge, and the garden is planted with a rich sample of local flora. the result is is a symbiosis of natural and cultural learning environments. the planted landscape itself promotes ecological renewal in the dry climate, and will ameliorate air quality in the vicinity.