Do you remember the Icelandic volcanic eruption of April 2010? |(1) visiting friends in Prague at the time and (2). already bought my return ticket, but of course there (3) no flights for days. The disruption to international travel was a (4) greater than anyone could have imagined. I never (5) to worry about natural disasters before that April, but now I keep an eye on the natural world and as a result I'm much (6) respectful of the forces of nature.