There are conifers which produce heavy cones. You can find some in Fort Mason. Some guy was bonked on the head and sued the gov't when one fell on his head an

There are conifers which produce heavy cones. You can find some in Fort Mason. Some guy was bonked on the head and sued the gov't when one fell on his head and cracked his skull[1]. There have been cases elsewhere of people getting hurt by them. [1]https://www.sfgate.com/bayarea/article/Man-hit-by-16-pound-pine-cone-in-S-F-park-files-6567225.php https://www.sfgate.com/bayarea/article/Man-hit-by-16-pound-p...