Can A Drone Monitor Park-based Physical Activity?

Backed by Keuntae Park, Kim Yeongnam, Geun-cheol Park, Leesowon, Kang Yong Woo, Reid Ewing, KIMMOONHEE, GeunSeok Bak, Lee Sang Myung, Youngsug Kim, and 37 other backersJungHoPark, Sangjin Park, Keunhyun Park, Byungki Son, Hee Kyung Ryoo, Hyunsook Jung, Woo-Hyun Cho, Park Bo Young, LEE YOUNG SOOK, Chang Ho Park, Hye Jin Ko, Shiyul Kim, Youngeun Kang, Jin Park, Keunhan Park, Bumsik Kim, KyungJuPark, KeunHeePark, KeunMyungPark, HaeKyungNa, Dong-ah Choi, PARK Geunhwan, Ivis Garcia Zambrana, Yeongi Kang, Kyong Rok Kim, Jin-gu Lee, SunkyuKim, WoongJoon Heo, Jae Hyeok Choi, Jung Youjung, Joomyeong Lee, Damin Noh, Herene Noh, Moses Noh, Hyoim Choi, Juyoung Lee, and Eric D. Walters