Hongyu Guo:
IMG_5792
Hongyu Guo:
IMG_5936
Hongyu Guo:
IMG_5896
Hongyu Guo:
IMG_6132
Hongyu Guo:
Beautiful sunset
Hongyu Guo:
IMG_6746
Hongyu Guo:
Grand Prismatic Spring @ Yellowstone
Hongyu Guo:
IMG_6959
Hongyu Guo:
IMG_6932
Hongyu Guo:
IMG_6928
Hongyu Guo:
Old Faithful
Hongyu Guo:
Yellowstone Midway Geyser Basin overview
Hongyu Guo:
IMG_7108
Hongyu Guo:
IMG_7104
Hongyu Guo:
IMG_7216
Hongyu Guo:
Yellowstone River
Hongyu Guo:
IMG_7314
Hongyu Guo:
Lower Falls
Hongyu Guo:
Lower Falls, Yellowstone
Hongyu Guo:
Lower Falls
Hongyu Guo:
Undine Falls
Hongyu Guo:
IMG_7617
Hongyu Guo:
DSC03258
Hongyu Guo:
IMG_6858
Hongyu Guo:
DSC02841
Hongyu Guo:
Black Pool, Yellowstone
Hongyu Guo:
Black Pool in West Thumb Geyser Basin @ Yellowstone
Hongyu Guo:
DSC02871
Hongyu Guo:
DSC02868
Hongyu Guo:
DSC02855
