97. We will promote planned urban extensions and infill, prioritizing renewal, regeneration and retrofitting of urban areas, as appropriate, including upgrading slums and informal settlements; providing high-quality buildings and public spaces; promoting integrated and participatory approaches involving all relevant stakeholders and inhabitants; and avoiding spatial and socioeconomic segregation and gentrification, while preserving cultural heritage and preventing and containing urban sprawl.
Media or #OpenData
With a hashtag per article, anyone can tag content relevant to the status and implementation of the article, and share it via social media as explained at #tags in support of easy information retrieval (video on YouTube).
If you publish a website or blog, you can also embed the Twitter timeline of a hashtag as explained at How to embed a #tag timeline in your website or blog? (Video on YouTube). There is a Twitter timeline embedded at #udhr19 - Freedom of opinion & expression; to seek & receive information.