Neil Armstrong's boot print and other artifacts left on the moon are now protected by US law
Daily Mail
NASA's 'One Small Step to Protect Human Heritage in Space Act,' establishes 'keep out' zones around the six Apollo landing sites and is the first law to address human culture in space.
https://www.dailymail.co.uk/sciencetech/article-9185439/Neil-Armstrongs-boot-print-artifacts-left-moon-protected-law.html?ns_mchannel=rss&ns_campaign=1490&ito=1490