Warning: Missing argument 3 for write(), called in /www/wwwroot/biwei1.cn/incs/robot.php on line 68 and defined in /www/wwwroot/biwei1.cn/incs/data.php on line 487 Stunning sunset This happens because of a phenomenon called Rayleigh scattering: cirrus clouds scatter the longer, red wavelengths of light and give the sky an orange or reddish hue[📹 jiangzhibin24 姜志斌]