It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
leaning tower of pisa leaningtowerofpisa pisa leaning tower architecture sky outdoor building arches columns bell tower belltower cathedral italy public domain publicdomain Public Domain Dedication CC Source Public Domain Dedication CC Source
Page 2017 Free-images.com. All images are Public Domain