 Complete the following phrase:  Stationary time capsules have been termed messages in a bottle, such as a 1935 message in a lemonade bottle correctly portending difficult times, which was found in 2016 by masons restoring damaged Portland stone at Southampton Guildhall. A geologist left a bottled message in 1959 in a cairn on isolated Ward Hunt Island Canada, 83N latitude, allowing its finders in 2013 to determine that a nearby glacier had retreated over 200 feet in the intervening 54 years. More durable examples of time capsules are the Westinghouse Time Capsules of the 