Open to customers of the airport, each garden represents a different group of plants: cacti, bamboo, heliconia, sunflower, fern and orchid.

So our gardens represent a long steady stream of introductions with occasional 'eruptions' as new and botanically rich areas of the world opened to the West.

The gardens and grounds represent three periods.

Japanese gardens always have water, either a pond or stream, or, in the dry rock garden, represented by white sand.

"The gardens represent the balance of yin and yang," Mr. Keane said.

These gardens represent an area of Ohio made when glaciers deposited a yellow-brown sand from the bed of Lake Erie.

The modern gardens of Guevrekian and his contemporaries represented a shift from relating the garden to nature to a relation of the garden to human.

While gardens represent nature shaped and controlled by human agency, this group show, selected by a guest curator, David Hunt, celebrates the triumph of elemental forces.

Six gardens represent different stages in the filtration process.

Intended to draw attention to homophobic hate crimes, the garden represents the city with an 11yd-long shattered concrete pavement.