Yes
The US has a perpetual lease on the land.
Hay-Bunau-Varilla Treaty
A lease is the written agreement under which the property owner allows the tenant to use the property for a period of time in exchange for the payment of rent. A sale is an agreement in which property is transferred from a seller to a buyer for a fixed price.
Ground rent is a complicated real estate concept that is almost never used in the US. The advantages of a ground rent lease are that a perpetual income is derived from a property, the disadvantages of the ground rent is that it can make a property very difficult to sell.
パーペチュアル =Perpetual
Perpetual will is will that is indefinite and never ending. Will that does not end and therefore is perpetual. In a sentence: My will is perpetual, I will never stop trying and always believe in myself.
flowers are not perpetual.
Infinity is perpetual.
A magnet does not have perpetual energy.
The population of Perpetual Limited is 1,500.
Perpetual Limited was created in 1886.