In the 1st challenge time-lapse: We spoke about modes/flickering/post production and start a time-lapse as soon as we arrived on the beach.
In the 2nd challenge  : Let’s play with the light and lit the lifeguard tower.
We tried different combinations by using continuous light and strobes to shape the light to get different results.

In the 3rd and last challenge : landscape we took some images of the sunrise using a telephoto lens using a tripod, a remote and graduated filters.