How to build a bridge!

Step 1: Use 10 squares to build bridge tower basement.

Step 2: Build main tower part using 2 hollow squares and 6 squares.

Step 3: Connect 2 parts together.

Step 4: Build upper tower part using 4 tall triangles.

Step 5: Repeat steps 1-4 to create similar bridge tower structure.

Step 6: Assemble bridge connecting part between two towers using 5 squares and 8 triangles.

Step 7: Decorate bridge with 6 castle battlements.

Done!