Free Images - SnappyGoat.com- bestof:中國國民黨總統候選人洪秀柱.jpg zh-tw � �民黨總統� �選人洪� 柱美� �之音楊明拍� 2015-09-14 16 24 10 http //www voachinese com/a/...

Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES

$Wet rough asphalt black bitumen road pavement surface abstract grunge texture close-up top view background banner.\nBitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. In the U.S., it is commonly referred to as asphalt. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used.\nTarmacadam is a road surfacing material made by combining crushed stone, sand, and tar. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces. The terms \$