The Iconic Symbols of China: Unveiling the Cultural and Historical Significance

1. 'Tentative Title of the Speech:' 'The Iconic Symbols of China: Understanding the Rich Culture and History Behind Them'
2. 'How are you going to design Central Idea:' The speech is designed to explore the meaning and significance of the iconic symbols of China, such as the Great Wall, the dragon, and the panda, and how they reflect the country's rich culture and history.

'Main Point I:' The Great Wall of China 'Sub point 1:' History and significance of the Great Wall 'Sub point 2:' Impact of the Great Wall on China's culture and identity

'Main Point II:' The Dragon 'Sub point 1:' Cultural significance of the dragon in Chinese mythology 'Sub point 2:' How the dragon has been incorporated into China's art, architecture, and celebrations

'Main Point III:' The Panda 'Sub point 1:' Why the panda is a symbol of China 'Sub point 2:' How the conservation efforts of pandas reflect China's commitment to protecting its natural heritage.