Why climbers are scaling Mount Everest without supplemental oxygen 0 17.04.2021 09:29 CBSNews.com Fewer than three percent of Mount Everest climbers try to reach the summit without supplemental oxygen, but professional climbers Adrian Ballinger and Cory Richards explain why they are attempting to do without it. Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа Другие проекты от SMI24.net Музыкальные новости Агрегатор новостей 24СМИ
