The construction of an aquarium at Ušće in Belgrade is projected to cost 90 million euros, with Turkish company Ronesans holding and its Dutch subsidiary Balast i Nedam as the planned contractors.

Students blocking higher education institutions in Belgrade have called for a public gathering at Ušće Park, under the slogan 'Park of Friendship, Not Investors,' to protest against investment projects.

Citizens gathered again in front of the First Basic Court in Belgrade to protest the planned construction of an aquarium in Ušće Park, with police setting up a cordon.

Studenti u blokadi najavili su za subotu, 28. decembar, u 13 časova protest kod Parka Ušće zbog najavljene izgradnje javnog akvarijuma na tom mestu.

Citizens in Belgrade gathered again near Ušće Park to protest the planned construction of an aquarium, with police setting up a cordon at the demonstration site.

Citizens gathered again in front of the First Basic Court in Belgrade, near Ušće Park, to protest, where police in riot gear were deployed to guard a fence against the demonstrators.

Students blocking higher education institutions in Belgrade have called for a rally on Saturday at Ušće, advocating for 'Park of Friendship, Not Investors' in protest of development plans.

Citizens are protesting near Ušće park in Serbia, leading to several incidents including police legitimizing individuals and engaging in discussions with protesters.