(1) ... of the nicest ways to spend a summer afternoon is to have a picnic. (2) ... is something about eating out of doors that is very special. Of (3) ... , some things are essential if the picnic is going to be an enjoyable experience. The weather has to be sunny; (4) ... many people enjoy eating sandwiches in the pouring rain! The site must be carefully chosen. Then, when the meal is finished, you can just relax in the sunshine, or go for a swim.