can anybody explain what main difference between two almost identical directories:
http://sentinel-s2-l1c.s3-website.eu-central-1.amazonaws.com/#tiles/22/K/EC/2017/10/10/0/
http://sentinel-s2-l1c.s3-website.eu-central-1.amazonaws.com/#tiles/22/K/EC/2017/10/10/1/
These directories almost identical, but one contains preview and another does not.