＃美国夏季户外活动＃急速漂流是一项夏季极限户外活动，在我们要体验的夏季户外活动清单上榜上有名。为大浪、陡降、许多刺激和尖叫做好准备吧！急速漂流是亚利桑那州大峡谷最具吸引力的活动之一。

#American Summer Outdoor Activities# Whitewater rafting isone of the ultimate outdoor summer activities and makes our list of summeroutdoor activities to try. Just be prepared for big waves, big drops, and lotsof thrills and screams!  Whitewaterrafting is one of the big appeals to Arizona’s Grand Canyon:  https://www.nps.gov/grca/index.htm.Do you think this activity is scary or would you splash right in?