146. We will expand opportunities for North–South, South–South and triangular regional and international cooperation, as well as subnational, decentralized and city-to-city cooperation, as appropriate, to contribute to sustainable urban development, developing capacities and fostering exchanges of urban solutions and mutual learning at all levels and by all relevant actors.
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.