What is the fine-grained topic of the following text: In 53 ° 24'0 "N 2 ° 59'0" W (53.4, -2.98), 176 miles (283 km) northwest of London, the city of Liverpool is built across a ridge of hills sandstone rising to a height of about 230 feet (70 meters) above sea level, Everton Hill who represents the southern boundary of the West Lancashire coastal Plain. Only return the topic.
Geographical description of Liverpool