557-01
Sunyudo Park features 4 gardens, a visitor’s center, a pavilion and a cafeteria retrofitted from the old water purification plant. 
557-02
The island was occupied with typical water purification plants such as water-purification basin, clean water reservoir, concentrator and regulator, management facility, and the settling basin for chemicals. (Photo by: SeoAhn Total Lanscape)
557-03
The underground facilities revealed from demolition provide important design motif.
(Photo by: Kim, Jae Kyung)
557-04
The design challenge was how to display and express the historical meanings of Sunyudo through the depth of the spaces and forms created by the water purification plant and other facilities. (Photo by: Kim, Jae Kyung).
557-05
The settling basin for chemicals has become a garden for aquatic plants, which purifies water in nature. The life pattern and water purification process of various aquatic plants are carefully demonstrated. (Photo by: Yang, Hae Nam) 
557-06
Renovated from the filtration plant, this garden holds various aquatic plants in its shallow basin, enabling close observation from the boardwalk.
 (Photo by: Yang, Hae Nam)
557-07
The top concrete slab of the clean water reservoir has been lifted off, leaving columns in full light and providing rest places. Vines cover the columns, composing a space of repose.
(Photo by: Yang, Hae Nam)
557-08
The most intact existing structure of the purification plant is found in the Garden of Transition. The settling basin for chemicals now holds various environments for plant growth, such as an aroma garden, a moss garden, and a fern garden.
(Photo by: Yang, Hae Nam)
557-09
The concrete waterways were kept and now connect the water purification basin, the Aquatic Botanical Garden and the Garden of Transition. (Photo by: Yang, Hae Nam)
557-10
The elevated path salvaged from the underground waterway structures provides views looking down the gardens and easy connection to the other side of the garden. 
(Photo by: Yang, Hae Nam)
557-11
Directly connected to the water purification basin, this water play area provide kids not only place for fun, but also a chance to experience the purifying effect of the plant.
              (Photo by: Yang, Hae Nam)
557-12
Recycled from the concentrator and the regulator, this circular space has been constructed as the environmental play area. (Photo by: Yang, Hae Nam)
557-13
One of the four concentrator structures turned into a small amphitheatre.
(Photo by: Lee, Gee Whan) 
557-14
    Along the trail, the ruins of the rusted valves are sculptural pieces telling the history of the 
island. (Photo by: Yang, Hae Nam)
557-15
Stands of Poplars have been planted to indicate the footprint of the demolished buildings.
(Photo by: Yang, Hae Nam)