When it is hot outside a very good way to cool down - plunge into the water fully dressed, then coolness will stay longer, until clothes will be dry. On this video Marta shows you how you it can be done on the river bank. And if there is no river around it would be enough a bottle of plain water which Marta also will show you. It is desirable to soak fully dressed in a shirt, tights, sneakers, clothes dries longer and cools you in the heat.
p.s. Full-size previews you can see (download) on the site: WAMinStyle