求翻译：这两幅照片是乘坐国航北京到成都航班在河北张家口地区和山西雁北一带上空所拍。这里的山地和沟壑地貌很有特色。是什么意思？

This two photos is to take the Air China flight from Beijing to Chengdu and Zhangjiakou in Hebei, Shanxi Yanbei area over the film. The landscape here is quite distinctive mountains and ravines.

These two photographs were aboard the flight to Beijing to Chengdu flights Zhangjiakou in Hebei and Shanxi Geese north region along the picture above. Here the hills and ravines geomorphological many characteristics.

Riding country navigation Beijing to the Chengdu scheduled flight, flies to the Mt. Taihang Henan Linhsien sky, looks out the Red Flag ditch to hang in the mountain in shansi ravine.I hold the opportunity company to pat several, because flies the angle influence engagement some not to be good, but r

These two photos are by Air China flights to Chengdu in Zhangjiakou, Hebei and Shanxi's yanbei area taken over. The hilly and gully landforms here has a lot of character.

These two photos are by Air China flights to Chengdu in Zhangjiakou, Hebei and Shanxi's yanbei area taken over. Here mountains and gully landform characteristics.