 However, smugglers continue to take sand and have begun to interfere with ships' GPS locations in order to mask their behaviour, causing ship wrecks and deaths.The pink sands of Elafonisi, created by tidal and wave-induced deposits of pigmented microorganisms living in a symbiotic relationship with native seaweed, were a frequent subject of souvenir-taking by tourists until the Greek government declared the area a nature reserve and prohibited the sands' removal; even today, color saturation levels remain at only around 10% of those in the early twentieth century.An incident of beach theft occurred in Hungary in 2007.