Photo shows traffic lights in the shape of hearts and heart-shaped paintings on the zebra crossings along a road in Jinan, capital city of east China’s Shandong province, Aug. 24. (Photo/Tan Yuan)

Photo shows heart-shaped paintings on the zebra crossings along a road in Jinan, capital city of east China’s Shandong province, Aug. 24. (Photo/Tan Yuan)

Photo shows traffic lights in the shape of hearts in Jinan, capital city of east China’s Shandong province, Aug. 24. (Photo/Tan Yuan)

A pedestrian puts his hands above his head and makes a heart shape with his arms while waiting for the traffic lights to turn green before crossing a road in Jinan, capital city of east China’s Shandong province, Aug. 24. (Photo/Tan Yuan)

A pedestrian takes pictures of the heart-shaped traffic lights while waiting for them to turn green before crossing a road in Jinan, capital city of east China’s Shandong province, Aug. 24. (Photo/Tan Yuan)