it's the cover image. check the source code or other pages please. but for now, this image is inaccessible due to server. (it isn't the first image which is inaccessible. check the main path or homepage. also here is an screenshot from homepage, you will see images which can't be loaded due to server issues for now: http://i.imgur.com/4HUQJHu.png) but it can be accessible later. so, do not remove this image.

/playroom/ links has a cover image for every section and this image shown in articles of this section.