Again, taking things from the internet and reusing them without checking the copyright is a problem. The great thing about images is that there are heaps of different avenues for sourcing images legally.
You can:
Use the provided links to look more closely at the following images and decide how you are allowed to use them.
Festival of Lights - Brandenburger. (opens in new tab)
Mehnert, MF, 2009, Festival of Lights – Brandenburger, photograph, Wikimedia Commons, retrieved 25 March 2017, <https://commons.wikimedia.org/wiki/File:2009-10-23_-_Festival_of_Lights_-_Brandenburger_Tor_4.JPG>
Hands of international coworkers putting colorful puzzles together
(opens in new tab)
Prostock-studio, 2020, Hands of international coworkers putting
colorful puzzles together, photograph, Adobe Stock,
retrieved 02 September 2020, <https://stock.adobe.com/au/search?load_type=search&native_visual_search=&similar_content_id=&is_recent
_search=&search_type=usertyped&k=collaboration&asset_id=322522389>
What about GIFs?
GIFs have legal implications in Australia due to our narrow copyright laws. Whilst there is no case law in Australia to rely on as a precedent, there is still an element of risk, so it’s best to consult with the legal expert in your company to find out their policy on using GIFs.