Without trying to avoid bumping is not accurate but certainly there is more of it in South Korea than in places like the US. See for example https://m.koreaher

Without trying to avoid bumping is not accurate but certainly there is more of it in South Korea than in places like the US. See for example https://m.koreaherald.com/article/10447649 https://m.koreaherald.com/article/10447649