| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | sea swimming | Philippines | Frequent recreational activity due to warm tropical waters | 1 |
| 2 | underwater archaeology | Philippines | Emphasizes the study of ancient submerged cultural sites and sunken temples | 1 |
| 3 | underwater photography | Philippines | Prominent due to popularity of scuba diving and snorkeling | 1 |