কোনটিকে বাংলাদেশের ফুসফুস বলা যেতে পারে?

The Sundarbans can be called the 'lungs of Bangladesh' because it is the largest mangrove forest in the world and plays a crucial role in maintaining ecological balance. Like lungs that help in breathing, the Sundarbans absorbs carbon dioxide, produces oxygen, protects against cyclones, and supports biodiversity, making it vital for Bangladesh's environmental health.