It’s hard to imagine what a hotel built with salt would look like. What kind of sparks would the salty air collide with people? The Sarluna Salada Hotel is made of more than 1 million salt bricks. 　　This hotel, located on the edge of Salar de Uyuni in the western plateau of Bolivia, South America, is known as the saltiest hotel in the world. 　　Salar de Uyuni is 3,656 meters above sea level and covers an area of ​​9,065 square kilometers. It is the largest desert covered by salt in the world. It is known as the “land of the sky” after the rain. 　　In order not to damage the…