Located in the Southwestern region of the United States of America, Arizona is a landlocked State with a population of around 75 lakh people. Arizona is famously known for the Grand Canyon. Colorado River surrounds the State and the beautiful pine trees offer a gateway to the Grand Canyon. This State is also known as the Copper State of the USA as it is abundant in this mineral. Other beautiful natural sites of the State… Continue reading How are private security guards more efficient in Arizona, United States of America?