On the graded and uneven surface of the road, you'll be training your muscles, joints and lungs to handle the real thing. (active.com)
Surfaces of some roads in Delhi have melted in the sun, twisting the paintwork of pedestrian crossings into unusual patterns. (climatecrocks.com)
No they were just air bubbles and coolant level is not dropping so I do nt think there is any water leak in the engine, Couldn't they just be the air bubbles due to the sloshing of engine oil in the sump over the uneven surface of the road? (mechanics.stackexchange.com)