# File lib/ec2/right_ec2.rb, line 292
    def describe_regions(*regions)
      regions = regions.flatten
      link = generate_request("DescribeRegions", amazonize_list('RegionName', regions))
      request_cache_or_info :describe_regions, link,  QEc2DescribeRegionsParser, @@bench, regions.blank?
    rescue Exception
      on_exception
    end