15 million degrees : a journey to the centre of the sun 并列题名：15 million degrees: a journey to the centre of the sun 太阳科学：一千五百万度的探索之旅：a journey to the centre of the sun Down, down, down: a journey to the bottom of the sea 并列题名：Down, down, down: a journey to the bottom of the sea Down, down, down ：a journey to the bottom of the sea Richard Hammond's journey to the centre of the planet Richard hammond's journey to the centre of the planet Down, down, down：a journey to the bottom of the sea Richard hammond's journey to the centre or the planet