five different specimen of dogs, domesticated and wild illustration engraving 1840 - 流冰 幅插畫檔、美工圖案、卡通及圖標
artist's concept of jupiter as seen across the icy surface of its moon europa. - 流冰 幅插畫檔、美工圖案、卡通及圖標木星, 月亮
polar bear meeting penguin and seal with smoking chimneys background - 流冰 幅插畫檔、美工圖案、卡通及圖標氣候變化, 天災, 煙囪
antique photograph of 19th century mountaineer at eismeer-jungfraujoch (switzerland) - 流冰 幅插畫檔、美工圖案、卡通及圖標復古風格, 瑞士, 遠足
antique illustration: fridtjof nansen north pole expedition, nansen and jackson handshake - 流冰 幅插畫檔、美工圖案、卡通及圖標握手, 復古風格, 北極地帶
jupiter and its moon lo as seen from the frozen surface of jupiter's moon europa. - 流冰 幅插畫檔、美工圖案、卡通及圖標木星