Space shuttle is a thrilling invention in the human efforts to explore the space.
At the 1878 World Expo in Paris, steam engines attracted the most attention. The French company Schneider Iron and Steel Mill showed a huge steam hammer, Creusot.
113 years ago, on January 8, 1905, the world's largest diamond was discovered in South Africa.
Christmas is the most important festival in the West, equivalent to the Spring Festival in China. The key Christmas customs are hanging holly sticks, roasting turkey, decorating Christmas trees, preparing Christmas gifts and sending greeting cards.
The progress in science and technology has given impetus to the development of human history, and now we see endless streams of cars and neon-flickering tall buildings in modern cities.
