Thick smog chokes northern India and eastern Pakistan ahead of Diwali – Blog – Telemàtica Educativa de Catalunya – XTECThick smog chokes northern India and eastern Pakistan ahead of Diwali – Blog – Telemàtica Educativa de Catalunya – XTECThick smog chokes northern India and eastern Pakistan ahead of Diwali – Blog – Telemàtica Educativa de Catalunya – XTEC