1. Climatic conditions: The appearance of aurora requires a clear night sky and an environment far away from urban light pollution. Due to climatic reasons, some cities in Russia cannot provide ideal observation conditions.
2. Travel expenses: Going to Russia to see the Aurora requires high travel expenses, including transportation, accommodation and catering.
3. Timing: The appearance of aurora is usually short-lived and unpredictable. Tourists need to wait for a long time and may miss the aurora in a short time.