Smoked salmon wreath recipe

Name: Smoked salmon wreath recipe
Prep time: 30 min
Total time: 30 min
Ingredients: 1 large fennel bulb, trimmed, core removed; 3 limes; 2 green shallots, trimmed; 3 large ripe avocados; 250g baby cucumbers, peeled into ribbons; 200g (1 bunch) radishes, trimmed, washed, thinly sliced; 400g sliced smoked salmon; Extra virgin olive oil, to drizzle; Crème fraîche, to serve; Salmon roe, to serve; Fresh dill sprigs, to serve; Micro herbs, to serve; Gluten-free crackers or crusty bread, to serve (optional)