silvina, joie.hing now called armstrong scholars. >> every summer a group of girls from the ages of 15 and 18 are brought into the park to spend a week exploring, learning about it, which is exactly why joie was there in the first place. ♪ and you can't take my dreams away ♪ >> whatever terrible things happen in the world, i think people come to beautiful places like this because they know that nature has healing power. this is the place of beauty where evil will be vanquished >> yes, healing power and we hope that a lot of people will be taking part of that in the national parks this weekend. >> yes, it is fourth of july weekend and we wish you all a safe and healthy holiday. i'm amy roarback. >> and i'm david muir wishing you a safe and happy 2020. >>> you're looking at exactly why there is so much concern about this holiday weekend. >>> how business owners in one bay area city hope