RAWALPINDI, Pakistan, July 2 (Xinhua) -- "Thank you for risking your life for us!" Pakistani authorities place banners and billboards on the main roads of Rawalpindi city to express their gratitude to frontline health workers fighting against COVID-19.

[caption id="" align="alignnone" width="900"] Commuters ride past a banner expressing gratitude to health workers fighting against COVID-19 in eastern Pakistan's Rawalpindi on July 1, 2020. (Xinhua/Ahmad Kamal)[/caption] [caption id="" align="alignnone" width="900"] People walk past a banner expressing gratitude to health workers fighting against COVID-19 in eastern Pakistan's Rawalpindi on July 1, 2020. (Xinhua/Ahmad Kamal)[/caption] [caption id="" align="alignnone" width="900"] Commuters ride past a billboard expressing gratitude to health workers fighting against COVID-19 in eastern Pakistan's Rawalpindi on July 1, 2020. (Xinhua/Ahmad Kamal)[/caption] [caption id="" align="alignnone" width="900"] A man walks under a billboard expressing gratitude to health workers fighting against COVID-19 in eastern Pakistan's Rawalpindi on July 1, 2020. (Xinhua/Ahmad Kamal)[/caption] [caption id="" align="alignnone" width="900"] A woman stands under a billboard painting expressing gratitude to health workers fighting against COVID-19 in eastern Pakistan's Rawalpindi on July 1, 2020. (Xinhua/Ahmad Kamal) ■[/caption]