an atom bomb explodes at a test site; the blast from an h-bomb destroys buildings and airplanes. - 熱力學 個影片檔及 b 捲影像00:39爆炸, 天災, 蘑菇雲
a microbial mat covers the silt of a hot springs at the mammoth hot springs in yellowstone. - 熱力學 個影片檔及 b 捲影像00:49黃石國家公園
a microbial mat lies under rippling water in a pool at the mammoth hot springs at yellowstone. - 熱力學 個影片檔及 b 捲影像00:29
the sun reflects in a steaming pool at the mammoth hot springs in yellowstone. - 熱力學 個影片檔及 b 捲影像00:24
steam rolls off a pool at the mammoth hot springs as the sun shines in the sky. - 熱力學 個影片檔及 b 捲影像00:20
the sun reflects off a shimmering pool as steam rises off the water at the mammoth hot springs in yellowstone. - 熱力學 個影片檔及 b 捲影像00:15
water shimmers over cracked earth in a pool at the mammoth hot springs in yellowstone. - 熱力學 個影片檔及 b 捲影像00:15
gnarly trees surround a steaming pool at the mammoth hot springs in yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:25
beautiful sunlight colors the sky over a steaming pool of water at the mammoth hot springs in yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:13
steam drifts into the air over a pool at mammoth hot springs in yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:16
steam rolls off a pool at the mammoth hot springs in yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:08
steam drifts up from the surface of a pool at the mammoth hot springs in yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:08
steam drifts over a pool at the mammoth hot springs in yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:08
steam from a hot springs drifts past a jagged rock at yellowstone national park. - 熱力學 個影片檔及 b 捲影像00:10
a steel ball on a string lowers into a beaker of liquid and immediately freezes over. - 熱力學 個影片檔及 b 捲影像00:29
a hand lowers a steel ball on a string into a container as vapor rises from it. - 熱力學 個影片檔及 b 捲影像00:13
vapor rises from a metal container as a hand pulls a steel ball on a string from it. - 熱力學 個影片檔及 b 捲影像00:09
a giant vat moves across the ceiling of a steel factory as a furnace emits flames and smoke. - 熱力學 個影片檔及 b 捲影像00:23
a giant vat hangs from the ceiling across from a glowing furnace in a steel factory. - 熱力學 個影片檔及 b 捲影像00:11
a machine operator drives a forklift in front of a fiery steel factory furnace. - 熱力學 個影片檔及 b 捲影像00:20
smoke and sparks fly as lengths of metal are lowered into a steel factory furnace. - 熱力學 個影片檔及 b 捲影像00:14
an enormous mushroom cloud, debris, smoke, and fire rises into the sky as an atom bomb explodes. - 熱力學 個影片檔及 b 捲影像00:51
