Tourists walk by a dune at Namib-Naukluft National Park.
Xinhua News Agency/Getty Images
- Namibian officials have criticized tourists who took nude photos at one of its national parks.
- One government official called the behavior "disgusting."
- Another said he was "shocked at the extent to which people could go."
Officials in Namibia have threatened to blacklist a group of tourists who posed for nude photos atop the Big Daddy dune at one of the country's national parks.