Rospotrebnadzor revealed the secrets of choosing watermelons Rospotrebnadzor shared ways to buy delicious melons, reports RIA news source. In addition to the appearance of the fruit, it is necessary to pay attention to the seller's documentation authorizing trade. Outwardly, there are also signs of a delicious watermelon: a solid contrasting peel, a dry tail, a lying side of yellow-orange color and a sparkling flesh. For melons is necessarily the presence of flavor, also a dried tail and some softness of the crust on the nose without a tail. Rospotrebnadzor warns that it is not necessary to purchase melons from roadside traders, since the fruits absorb the heavy metals contained in the exhaust gases.