A cement walk broken by expansion due to sun heat. Crack in pavement black and white trace From GENERAL SCIENCE BY BERTHA M. CLARK, PH.D. (Gutenberg EBook 16593) black & white concreate crack Damaged pavement
black trip sun tree white road pavement hazard lineart walk damaged heat path root crack concreate Damaged Pavement clip art public domain media concreate Damaged Pavement clip art