Using techniques developed over thousands of years, traditional thatcher lays straw on a barn roof in Suffolk, England. Balancing across the width of the roof's surface, the man uses a Shearing Hook to lay the straw into the outer weathering coat of the roof's slope. Using techniques developed over thousands of years, good thatch will not require frequent maintenance. In England a ridge will normally last 10–15 years. Thatching is the craft of building a roof with dry vegetation such as straw, w (Photo by In Pictures Ltd./Corbis via Getty Images)