白雲升起的地方：尼加拉大瀑布

多倫多西南的尼加拉大瀑布的流量世界第一，十分壯觀。如果氣候條件合適，您可能會看見尼加拉瀑布的造雲奇觀。一團團的水氣在大瀑布中形成，沿懸崖慢慢上升，在高空形成一團團白雲 ...
Niagara Falls, southwest of Toronto, has the highest flow rate in the world, which is very spectacular. If the weather conditions are right, you may see the cloud-making wonders of Niagara Falls. Masses of water vapor formed in the big waterfall, slowly rising along the cliff, forming masses of white clouds at high altitude...