Rescue workers and onlookers gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours. (Photos: Xinhua/Stringer)

Rescue workers and onlookers gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours.

People gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours.

Rescue workers and onlookers gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours.

Rescue workers and onlookers gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours.

Rescue workers and onlookers gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours.

Rescue workers and onlookers gather at the site of a wall collapse in Mumbai, India, on July 2, 2019. At least 16 people were killed in India's financial capital of Mumbai early on July 2 due to two separate wall collapsed following torrential monsoon downpours.