It was the Fiamma Nera logo, the criminal organization enemy of Lara Croft.
Well, continuing along the narrow street, we ran into a doberman, but we had to eliminate a mercenary on one of the upper balconies. Then there was another Doberman accompanied by a new mercenary, whom we had to eliminate to move on.
The latter dropped a small kit, very important to heal our wounds in case of emergency.
To continue exploring the level, we had to open the doors of a boathouse in which there was a motorboat. To do this, you had to pick up a key somewhere in the surroundings.
Where was that key?