USA, Arizona, Tucson, Sonoran Desert
PDH_3538PDH_2848b&wPDH_2856PDH_2849PDH_2904PDH_3545DP510PDH_3546B&WPDH_3593PDH_3598PDH_2942PDH_3621PHP_1620PHP_1753PHP_1910PDH_3564.pano.sepia