Groups of older men gather in parks at dawn in China with bird cages to let the birds enjoy the fresh air while hanging in trees. Three French villages and one Spanish village changed their names to Champagne to sell their sparkling wine under that name. An ant released kilometers from its anthill will find its way back by its sense of smell. Crying was considered a manly trait in the Middle Ages, while not crying publicly was seen as strange. It was fashionable in the 19th century for men to wear dentures made from teeth of soldiers who died in battle, called "Waterloo Teeth."