CKwok Photography:
Grand Teton National Park, Wyoming, U.S.A.
CKwok Photography:
Grand Teton National Park, Wyoming, U.S.A.
CKwok Photography:
Yellowstone National Park, Wyoming, U.S.A.
CKwok Photography:
Yellowstone National Park - Grand Prismatic Spring
CKwok Photography:
Yellowstone National Park - Emerald Pool
CKwok Photography:
Yellowstone National Park - Old Faithful Geyser