Tamaulipas, Mexico / In the eastern extension of the Chihuahuan Desert, 2 Barrel cactus (Biznaga) Echinocactus grandis, with its design of spine edged segments. 204V6

Tamaulipas, Mexico / Mal Pais, Chihuahuan Desert near Tula, silhouetted at sunset, Garambullo, Myrtillocactus geometrizans, and Pitaya, Stenocereus griseus. 204H5