With the rise in environmental consciousness, the market for nature photographs and audio-visual materials has gradually expanded. Some natural protection areas and national parks offer funding to people to make them, giving Liu many new competitors.
隨著國人對環境重視程度的提高，生態圖片和視聽資訊的市場漸廣，一些自然保護區、國家公園也都有經費請人製作相關成品。劉燕明於是多了許多競爭者。