These fearless geologists are captured on photo carrying out one of the most dangerous jobs in the world - collecting lava from inside live volcanoes. <br /><br />The workers can be seen in a series of captivating images going about their risky everyday work at the summit of live volcanoes in Hawaii. <br /><br />Their jobs are crucial to help gather information and understand patterns in volcanic activity. <br /><br />These geologists work for the United States Geological Survey, which says on its website: "Hot lava samples provide important information about what's going on in a volcano's magma chambers.
