Things are not really as they seem... An old lady would cross from Brazil's border to Paraguay in the Friendship Bridge by bike, only taking with her a bag full of sand. Following the usual, the border inspector checked her and the bag, and seeing nothing illegal, he let her pass. She crossed the bridge everyday for about 1 year, until the inspector gave up to his curiosity and finally asked : "" Excuse me Mrs., i can't take it anymore. Everyday you pass through here with this bag, with nothing …