Employer's demands: Dry fountain design Minimum dead load on surface conceptual design The first idea: using light and color in order to increase vitality in urban environments and the motto of the municipality, Tehran, the city of effort and vitality The second idea of ​​using light and color in order to increase vitality in urban environments and the motto of the municipality, Tehran, the city of effort and vitality The third idea: using light and color in order to increase vitality in urban environments and the motto of the municipality, Tehran, the city of effort and vitality