他们踏上悬空岛，探寻未知秘境。算盘简笔画

　　In future, Dr. Shan travels to the Hanging Island where the deserted International Artificial Intelligence Development Center is located. He goes there in a secret mission to investigate the disappearance of Professor Liang, his best mentor at university and father of his ex-girlfriend, Qi’an. Shan only gets more puzzled by a number of things he encounters at the island, includ... (展开全部)