Diving goggles are not allowed in the swimming pool because they are designed for use in deep water and can obstruct peripheral vision, increasing the risk of collisions with other swimmers. Additionally, diving goggles are not necessary for swimming laps or recreational swimming in a pool with clear water. The use of diving goggles in a swimming pool can also create a safety hazard if the wearer dives into shallow water thinking it is deeper than it actually is. **

At the beach, a treasure chest filled with gold coins and precious gemstones was found buried in the sand. The discovery sparked excitement among beachgoers and treasure hunters alike. The authorities were called to the scene to investigate the origins of the treasure and ensure its safekeeping. **

On the beach, a variety of items can be found, such as seashells, driftwood, seaweed, rocks, and sometimes even marine debris like plastic bottles or fishing nets. Additionally, beachgoers may also come across natural treasures like sand dollars, sea glass, and interesting marine life such as crabs, jellyfish, and small fish washed ashore. Overall, the beach is a diverse and ever-changing environment with a wide array of things to discover. **

The whirl was found by the speaker, who discovered it on the beach in Holland. The whirl was likely a natural phenomenon, possibly a whirlpool or a swirling pattern in the sand caused by the movement of water. The speaker's discovery of the whirl on the beach in Holland suggests that it was a unique and interesting find. **

The person who found the vortex is the speaker, who found it on the beach in Holland. The discovery was made by the speaker during their time at the beach in Holland. **

On the Baltic Sea beach, a mysterious object was found by a group of friends. It turned out to be a strange metal object covered in barnacles. Upon further examination, it was discovered that the object was actually a World War II-era Enigma machine, a device used by the Germans to encrypt secret messages. The friends were amazed by their unexpected discovery and the historical significance of the artifact. **

Using a diving mask instead of swimming goggles can provide a wider field of vision and better visibility underwater. Diving masks are designed to create a watertight seal around the eyes and nose, preventing water from entering. They also typically have a nose pocket for equalizing pressure while diving. However, diving masks may be bulkier and less streamlined than swimming goggles, which could affect comfort and performance while swimming laps. **

If you find a stranger's manga on the beach, it would be a kind gesture to try and return it to its rightful owner. The manga may hold sentimental value to the owner, and they would likely appreciate having it back. You could try looking for any contact information inside the manga or inquire around the area to see if anyone has lost it. If you are unable to locate the owner, you could consider leaving it in a visible spot in case they return to look for it. **