In early November in 2023, a diver, swimming off the coast of Sardinia,     1     (notice) pieces of metal on the ocean floor. He called the authorities and more divers were sent to look. The pieces turned out to be ancient Roman coins. The coins mostly lay     2     (bury) in sand and seagrass not far from the coast. It is said that more than 30, 000 coins have been found,     3     are close to 2, 000 years old. Experts call this a major historical discovery.

The 16^th to 18^th centuries witnessed the peak time of Suzhou classical gardens, featuring around 250 gardens. A survey from 2015 to 2018 showed that Suzhou is home     1     108 classical gardens, 57 of     2     are in the historical neighborhood of Gusu District. The gardens reflect the importance of natural beauty in Chinese culture. Great Wave Pavilion, which     3     ( build ) in the 11th century, is the oldest existing garden in Suzhou.