article_snippet.sent: The bright coloration of Grand Prismatic Spring is it's real point of marvel, with it shades of red, orange, yellow, green and blue.
article_snippet.sent: The bright coloration of Grand Prismatic Spring is it's real point of marvel, with it .
article_snippet.sent: Charles Darwin visited the site in March 1835 and a thermal spa in the early 20th century took advantage of the apparent healing qualities of Grand Prismatic Spring.