Lighthouse Bron

Hey guys, this is my first ever Minecraft map, it's a lighthouse, t's only for 1.18 or it won't work, there are some Easter eggs you can find also, a list of them is given below:
a) A secret coral cave, (hint: find gravel patch, and then you can experience the beauty of this map!)
b) A secret cave full of beautiful naturally generated underwater pillars ( Hint: swim through a tunnel then you can go on an underwater adventure!)
Also please check out my YouTube channel:
www.youtube.com/channel/UChP3HadzC1Cuqybeb1dqV4Q