Boston's public gardens have different scenery in four seasons, but they all have their own unique beauty. Flowers are blooming in spring, summer and autumn, lawns are green, trees are flourishing, tourists take a duck boat to enjoy the beautiful scenery in Swan Lake, the gardens in winter are dyed with trees, there are thin ice in Swan Lake, squirrels are looking for food everywhere. If you want to eat on the bench, you should be careful, countless squirrels rush through immediately. Come and grab your things.