1<div id="sky"><div class="bird"><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="wind"></div><div class="bird_body"><div class="bird_head"></div><div class="bird_wing_left"><div class="bird_wing_left_top"></div></div><div class="bird_wing_right"><div class="bird_wing_right_top"></div></div><div class="bird_tail_left"></div><div class="bird_tail_right"></div></div></div></div>