Trailer Life is 70 years old this month. That’s an amazing run, to employ a much-overused term — but how else can you describe a publication’s track record of that kind of longevity? Trailer Life has been in the thick of things, month after month, through the industry’s good times and bad, bringing the RV reader inspiration, education and entertainment. The magazine has moved through the decades with glamour, growth and grace. Here’s a quick glimpse of Trailer Life and the RV industry over the past 70 years.