The Insularity of Stamford Hill

If you cross over the border in Stamford Hill, visually everything looks really different. The most striking distance is that people dress and conduct themselves very, very differently. So for someone who's never been to Stamford Hill or been into an ultra-orthodox community, what is that style of dress? Yeah, so maybe we should give a bit more background about the community,. like what those communities are all about, why they're so insular and so on.