Most rainforests too degraded to provide good habitats 多数雨林退化严重而无法为 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
China Economic Net15 天
Global tourism almost return to pre-pandemic level in 2024
The outlook for the future also seems bright. UN Tourism predicts a growth between 3-5 percent in 2025 compared with 2024, ...