Problem to load an Image

Hi all,
so this is my first day in Xamarin. I am was looking the answer but nothing helped me. So :
1. I right click on Drawable->add->existing item->image.png
2. In xaml I add
3. ... but no image appear and I donw know why

From C# WPF I used to add image via : Right click on my project->properties->Resources->[image] ->add existing file .. but none wirking

Can you help me?