PURPOSE: To obtain a pavement and wall material which are decolored by a change in atm. temp., exhibits the colors meeting seasons and are capable of making.display by discoloration.

CONSTITUTION: Aggregate, a transparent binder resin and reversible discolorable materials which are transparent at a prescribed temp. (for example, 2°C) or above and develop colors (for example, color to red) at a prescribed temp. (for example, 2°C) or below are incorporated into the above material. For example, displays 1 of 'CARE FOR FREEZING' are applied and formed as the pavement material on a road surface. A paved road 2 is applied and formed by the pavement materials formed by using the aggregate similar to the aggregate described above and the binder resin on parts exclusive of these displays 1. The entire part of the pavement color is the aggregate color at 2°C. The red displays 1 of 'CARE FOR FREEZING' appear to arouse precaution to pedestrians, drivers, etc., when the temp. falls down to ≤2°C.