This is a global activist group focused on giving women the same freedom as men to go topless wherever they like. Modesty is a religious and patriarchal construct and a product and instigator of rape culture.
When people are expected to cover their bodies so other people don't have to deal with their sexual feelings, it creates a culture in which victims are blamed for how they're dressed and perpetrators are given an excuse to sexually assault. In this same culture, people are not used to seeing bodies which means they have not learned to control their sexual feelings including sexual impulses.
Most people have not learned to see a human body as just a body. Instead, they view bodies with such a strong sense of novelty, that it creates an unnaturally high level of sexual arousal. This can be changed when those people get used to seeing bodies. Countries with the highest levels of modesty also have the highest number of rapes.
You are welcome to share information about topless beaches and the legality of toplessness in different countries/cities. You are also welcome to share articles about toplessness. You may post photos of being topless in public but no sexual activity or genitalia are to be shown in any photos.