The ark project was " by Russian company Remistudio with the help of that internationally union OF Architects; Program architecture for disasters relief sketched. The kuppelförmige hotel is " with wooden sheets, steel cables and one; Selbstreinigung" Plastic film in place of glass establishes. The Slinky like Ark hotel can be adapted ashore and water. It is built, around water to hold in case of of flood or rising sea levels. The weight distributes the 14,000 square meters dish-shaped structure of the sheets and lines evenly, dh it can earthquakes withstand. Daylight becomes by the internal areas by filtered of the hotel lake through structure, whereby the necessity for the lighting. Conceived as: " an integrated energy system with an no-break current supply with alternative Energien" , the hotel uses solar collectors and rain water use system inhabitant with river and water supplies. Around a central column connection at roof wind-power plants and heat pumps, as well as for the energy storage and thermal transformation units would build itself below. There is also " Tornado" Energy producing spiral at the point of the column.