Life under the dome: How kids play at a Beijing school — Smog blankets Beijing traffic -- a regular experience in the Chinese capital in recent times. Dayu Zhang/CNN Kids at play under the smog dome — An empty playground at the International School of Beijing as students are kept indoors due to heavy smog. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Basketball courts in the city lie deserted as pollution levels reach dangerous levels. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — The ISB's new "smog dome" functions as a sports center for students. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — The school's dome has a pressurized, soft Teflon roof. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Students Hanna and Emily Merritt: "We have the dome but it would be great if we can go outside and play." Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Air is filtered to keep harmful particulates out of the dome. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Soccer practice is held on artificial turf under the dome. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Students spend their break times under the school's clean-air dome. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — A sign points students and visitors in the direction of the dome as smog levels rise. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Grey skies and regularly high levels of particulates have forced ISB students indoors. Dayu Zhang/CNN Life under the dome: How kids play at a Beijing school — Bad day, good day: CNN's views of Beijing on smoggy and clear days. Dayu Zhang/CNN Prev Next
