It was a foggy day, and all the buildings in the city were covered with a thick layer of fog. Fog usually appears in autumn and winter, which is an aerosol system composed of a large number of tiny water droplets or ice crystals suspended in the air near the ground. Different platforms depict different urban landscapes. Some platforms show a red bridge, which is the "Golden Gate Bridge" in San Francisco, USA. Some platforms show several high-rise buildings; Au by KDDI, Docomo and Softbank platforms depict a blue dotted line stacked; OpenMoji depicts a mass of white fog. This emoticon can represent fog, haze and foggy days.
