Photo taken on March 22, 2020 shows an empty street during a curfew in Bangalore, India. On Sunday, millions of people across India observed a public curfew or self-quarantine on the call of Indian Prime Minister Narendra Modi. (Str/Xinhua)

Aerial photo taken on March 22, 2020 shows empty roads during a curfew in Bangalore, India. On Sunday, millions of people across India observed a public curfew or self-quarantine on the call of Indian Prime Minister Narendra Modi. (Str/Xinhua)

Security guards are seen at a railway station in Bangalore, India, on March 22, 2020. On Sunday, millions of people across India observed a public curfew or self-quarantine on the call of Indian Prime Minister Narendra Modi. (Str/Xinhua)

An empty railway station is seen during a curfew in Bangalore, India, on March 22, 2020. On Sunday, millions of people across India observed a public curfew or self-quarantine on the call of Indian Prime Minister Narendra Modi. (Str/Xinhua)