등산할 때 등산화를 신어야 하는 이유

array(10) { [0]=> object(stdClass)#4651 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "FrlRC5sXs9M" ["related_video_title"]=> string(67) "여자 혼자 굴업도 백패킹, 고민하던 얘길 꺼냈어요" ["posted_time"]=> string(25) "2 недели назад" ["channelName"]=> string(20) " 삥수이 BBingshui" } [1]=> object(stdClass)#4624 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "1MIgWA7Q25w" ["related_video_title"]=> string(95) "Скотт Риттер - Россия уничтожила польских наёмников" ["posted_time"]=> string(21) "1 день назад" ["channelName"]=> string(23) "Голос Разума" } [2]=> object(stdClass)#4649 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "RnHC1XiNWS8" ["related_video_title"]=> string(94) "Венедиктов – страх, Симоньян, компромиссы / вДудь" ["posted_time"]=> string(19) "4 дня назад" ["channelName"]=> string(10) "вДудь" } [3]=> object(stdClass)#4656 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "QWx6QBlpvns" ["related_video_title"]=> string(88) "1. Встреча на Патриарших. Мастер и Маргарита. Full HD" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(19) "NightHORROR_Channel" } [4]=> object(stdClass)#4635 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "hFZFjoX2cGg" ["related_video_title"]=> string(64) "Беличий Лабиринт на Заднем Дворе 1.0" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(10) "Mark Rober" } [5]=> object(stdClass)#4653 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "h35fGsiJIkM" ["related_video_title"]=> string(82) "700 реактивных лошадиных сил. Тест Флайт Piper M700" ["posted_time"]=> string(21) "7 дней назад" ["channelName"]=> string(27) "Записки Пилота" } [6]=> object(stdClass)#4648 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "htZCX1Y0ZiA" ["related_video_title"]=> string(105) "ЗОМБИ В АМЕРИКЕ ( НИЧЕГО ПОДОБНОГО Я В ЖИЗНИ НЕ ВИДЕЛ) 🇺🇸" ["posted_time"]=> string(19) "3 дня назад" ["channelName"]=> string(10) "Joe HaTTab" } [7]=> object(stdClass)#4658 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "guJvR6nTNSk" ["related_video_title"]=> string(105) "등산화의 모든 것 | 추천 등산화, 경등산화? 중등산화? 트레일러닝화? 고어텍스?" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(14) "산타는 JSun" } [8]=> object(stdClass)#4634 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "2cRgFmX1u6Q" ["related_video_title"]=> string(98) "서울에 이런 기차가 아직도 다닙니다 – 조용한 철길, 교외선 무궁화호" ["posted_time"]=> string(21) "8 дней назад" ["channelName"]=> string(8) "MoveLife" } [9]=> object(stdClass)#4652 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "GnBQS2TmSdQ" ["related_video_title"]=> string(72) "대한외국인의 인생 첫 캠핑 그리고 숯불닭갈비 in 가평" ["posted_time"]=> string(25) "2 недели назад" ["channelName"]=> string(38) "내 이름은 년경김 MY NAME IS NKK" } }