Trout Streams

It is an application which can see and enjoy Trout and others who swims in a healing application "Trout stream" ravine.
A ravine is arranged freely and it is made to oneself liking.
Since it is made of 3D, it is observable from various angles by a rotation function.
Please enjoy the Rainbow trout, the red-spotted trout, and char which swim in a beautiful mountain stream and freedom.
-- Function --
The Trout fish stock change.
a rock display -- undisplayed.
grass and a nurse log display -- undisplayed.
Plants are movable by a drug.
Sea bed modification function.
Rotation.
Aquatic insect hatch.