Two environmental activists from Ocean Rebellion wearing salmon heads stage a game of pink pong outside the Blue Food Innovation Summit at the Hilton Hotel Bankside in protest against salmon farming on 21st May 2024 in London, United Kingdom. The game of pink pong was intended to highlight both the cruelty of the Scottish salmon farming industry, including increasing mortality rates, and the involvement of the Aquaculture Stewardship Council ASC, supermarkets and speakers at the Blue Food Innovation Summit.