Photo of Samudra, one of the two male elephants at the Oregon Zoo, rolling around in the mud to cool down on a hot and sunny Spring day.Photo of Samudra, one of the two male elephants at the Oregon Zoo, rolling around in the mud to cool down on a hot and sunny Spring day.Photo of Samudra, one of the two male elephants at the Oregon Zoo, rolling around in the mud to cool down on a hot and sunny Spring day.