…plant, which is placed in the pot to cover the entire roof. Another advantage, the hospital did not have to buy tomatoes anymore. In addition to the shade, the garden on the roof (roof garden) can also be used to absorb toxic gases. For example, bamboo or palm can absorb formaldehyde gas and gasoline. While the lily plant, in addition to absorb formaldehyde gas and gasoline, alcohol and acetone also absorb the resulting paint and so forth. Vines…read..