Both tour guides, Cheng and Liu, were excellent. Cheng was highly professional, providing detailed and insightful explanations of the attractions, which greatly enriched our visit. He also possessed excellent organizational and coordination skills, ensuring the smooth running of the itinerary. Liu was warm, friendly, and attentive, always attentive to the needs of each tourist, making us feel very cared for. His humor also added much joy to our trip. In short, both tour guides left a deep impression on us, and their performance deserves praise and recognition!