The composition about my hometown Lanzhou can be translated as \My Hometown Lanzhou\ in English.
When writing such a composition in English, you could start by introducing Lanzhou's geographical location and historical background. For example,
Lanzhou is the capital city of Gansu Province, located in northwest China.
You can describe its famous Yellow River flowing through the city and the beautiful scenery along the riverbanks.Talk about the local specialties and cuisine. Mention the delicious Lanzhou beef noodles, which are known far and wide.
For instance, \Lanzhou beef noodles are renowned for their unique flavor and handmade noodles.\
Also, mention the local culture and traditions. Maybe talk about some festivals or folk customs.
In conclusion, summarize your love for your hometown and express your hope for its future development.
