RFDJANHW–Coffee cup with coffee beans on vintage slate chalk board
RMDR6HXP–Ferriby Chalk boulders on Hunstanton beach.
RFEMW11K–Colored chalk on a blackboard background,close up
RFC3TTJH–a chalkboard with a sun and white chalk
RM2DF77WB–Chalk is a kind of limestone porous and white, composed of calcite. Sample.
RMC11XE9–Maple leaf and beech leaf on a chalk soil, Moen island, Denmark, Scandinavia, Europe
RMC0Y5EJ–Girl draws face on path with chalk
RMBJPNNF–Chalk and Cheese
RMC0Y5DK–Girl drawing chalk heart on ground
RMHG5H11–pavement artist, national flags, chalk
RMWH8J4T–Charles Darwin in 1853. Chalk drawing by Samuel lawrence (1817-1884). From Darwin and the Beagle by Alan Moorhead, page 246.. Charles Robert Darwin (1809 -1896) was a British naturalist who achieved lasting fame as the originator of the theory of evolution through natural selection. Darwin's five-year voyage on the Beagle brought him eminence as a geologist and fame as a popular author. His biological observations led him to study the transmutation of species and develop his theory of natural selection in 1838. His 1859 book, The Origin of Species by Means of Natural Selection, or The
RF2BWN81R–Blue Billiard Chalk Isolated on White Background.
RME3YB4T–A fragrant orchid, Gymnadenia conopsea, flowering plant in short chalk grassland in summer
RMPE5CWF–chalk beds or hopscotch children's game with marker on 4 four asphalt playground
RM2EJ55WP–tailor is tracing with the chalk the pattern on the cloth at bespoke tailors in Savile Row, London, UK.
RFDDXMDA–pieces of chalk are on asphalt
RFEE0WWC–Chalk Pastel Set
RFE4YE3D–White chalk on blackboard
RMT7YYHR–The Needles, a row of three distinctive stacks of chalk that rise about 30m from the sea off the western side of the Isle of Wight, UK
RFG42YW6–Vintage slate chalk board and Butcher meat cleaver on wooden background
RFEA9TK2–the blank blackboard and white chalk
RFEMW107–Colored chalk on a blackboard background, from above
RFREFDFP–hand holding stick of chalk against chalkboard
RM2DF77RT–Chalk is a kind of limestone porous and white, composed of calcite. Sample.
RFBGWC0E–Hand with chalk showing chemical formula on the Chalkboard
RFC96T9P–Thank you drawn in chalk on a public pavement