Chalk Downs are a type of landscape characterized by rolling hills made primarily of chalk, a soft white limestone. These areas are often found in regions like southern England, where the chalk bedrock is exposed. The unique geology supports diverse ecosystems, including grasslands and rare plant species, making them important for biodiversity. The South Downs National Park is a prominent example of Chalk Downs, featuring scenic views and rich wildlife. These landscapes are also significant for agriculture, as the chalky soil is well-suited for growing crops like barley and wheat. The combination of natural beauty and agricultural productivity makes Chalk Downs valuable to both the environment and local communities.