universal mems on Instagram: "The video depicts a montage of tourists crawling, clinging, and panicking on a high-altitude glass-bottomed bridge in China, illustrating acrophobia-induced behaviors that make such attractions viral for their raw emotional displays. - Posted by NoContextHumans, a popular account with over 1 million followers focused on absurd human reactions, this clip amassed 57,000 views and 413 likes within hours, aligning with the genre's appeal to schadenfreude. - User replies