How Yellowstone builds boardwalks beside piping hot thermal pools

The famed hydrothermal vents and geysers found across Yellowstone National Park are impressive, but best admired at a distance. All that bubbly water isn’t carbonation, after all. A hot spring regularly reaches boiling temperatures, and their eruptions can launch scalding plumes dozens of feet into the air.Despite these dangers, Yellowstone oversees approximately 15 miles of walkways around its famous natural attractions. But how are these routes planned, constructed, and maintained to kee