1. Underwater Olympics
where: January 2008
when: Qingdao
2. the festival of hungry ghosts
when: 15th day of the 7th lunar month (usually at the end of august)
where: China
3. Dog eating festival
when: october (banned as of 2011)
where: china
According to thoughtco it says “the Great Lakes and their surrounding lands encompass a wide variety of freshwater and terrestrial habitats including coniferous and hardwood forests, freshwater marshes, freshwater wetlands, dunes, grasslands, and prairies”
They are caused by human influences and natural ecological processes