Picture of an indoor river landscape

Quick answer：

An indoor river landscape typically refers to a water feature designed to be incorporated into the interior design of a building, such as a home or an office. These features can range from small, tranquil waterfalls to larger riverbeds with flowing water. They are often used to create a sense of tranquility and harmony within a space. Indoor river landscapes may include elements like stones, plants, and sometimes fish to enhance the natural aesthetic. They can also serve as a decorative piece or a functional element for relaxation or meditation.