Les pierres elles-mêmes servent de grandes marques sur le sol.
306, 1907 : '' 'The rock-carvings at Tegneby' '-RRB-,' 'rock drawings' -LRB- H. A. Winkler, Rock-Drawings of Southern Upper Egypt I. 26, 1938 : '' The discovery of rock-drawings showing boats of a type foreign to Egypt ".