Responsive Space tourism website

Making this website responsive was a bit challenging for me with took me quite a long to complete. This is my first time building a project using react-router and I really learn extensively. The images in the data.json are broken so I had to use all other contents in the data.json except the pictures together with the local pictures provided so I manually inserted the pictures into the dom using ternary operators. This is the area of the code am not sure of although it worked quite perfectly. Am open to suggestions on how I can also improve my code as I believe that learning never stops. THANKS