A magnificent building like Prince Mahidol Hall deserves a setting twhich complements it.
The many trees planted beside the reflection pool are not of a species which develops to a grand size with an appropriately elegant form.
An avenue of tall growing Yang Na which is native to the area should provide a magnificent frame through which to appreciate the building.
As they grow to be very big trees a spacing of 15 metres between the trees would allow for their optimum developement.