#1 ## 4545 #2 ## 778578
45-22
## [1] 23
knitr::include_graphics("https://media.istockphoto.com/id/467367026/zh/%E7%85%A7%E7%89%87/perfect-sky-and-ocean.jpg?s=612x612&w=0&k=20&c=-ySPHrphbAcMnERRmqUvsCQPmC6UXh1DGS2pDXAWnFU=")
