YELLOWSTONE N.P 1984 I saw a National Geographic documentary about the yellowstone N.P during the winter times.All the birds from the north migrated there and this place was also a sanctuary for bison to refuge during the cold season.I was very excited and we decided to drive down there from Calgary,Canada to took some photographs.It was a long way to got there,but a fatal head on collision happened to us,just about 50 km east entrance of Yellowstone N.P.It ruined a whole strip.We flew back Calgary a week later.... YOSEMITE NP.I have seen a lot of photographs of Yosemite national park by Ansel Adams before I visited this park.I thought they were with all the high mountains but I was very suprise when drove downn to the valley of Yosemite NP.In front of the Al Capitan I was stunned with the beauty of nature,my feeling about this cliff was completely opposite to what I have imaginated throught these photographs of Ansel Adams and I think no camera and nobody able to describe the manificent of Al Capitan cliff,the only way is be there...