div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentcolumbia-center-for-childrens-environmental-health-and-field-ultimate-frisbeehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Columbia Center for Childrens Environmental Health €¦ · and field ultimate frisbee volleyball and more! 4 Hiking Explore hiking trails on a guided tour with an NYC Urban loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220424185f34d552998d9d46860c418ehtml5thumbnails1jpg width=140 height=200 divdiv