In autumn it is good to observe changes in nature, especially when huge maple leaves dancing in a whirlwind of leaf fall land in a puddle. j
The red car is on the observation deck of a big city
Happy hours are not observed; pocket watch with a heart-shaped chain
The red-haired cat looks in surprise towards the observer
The scale of one planet and the observable universe
The stellar atmosphere is the region in which the directly observed radiation is formed[33]
A pigeon observes the beauty of the city from a height