Mauritian scientist and climate change activist Shaama Sandooyea 24, holds a placard reading Youth Strike For Climate; during an underwater protest at the Saya de Malha Bank to highlight the need to protect the world's largest seagrass meadow within the Mascarene plateau, Mauritius March 6, 2021. Picture taken March 6, 2021. REUTERS/Christophe Van Der Perre