A participant waits for clients during the Travel and Tourism Fair (TTF) in Kolkata, India, July 12, 2019. The TTF is held at Netaji Indoor stadium from July 12 to 14.

A Thai artist paints on an umbrella at a stall during the Travel and Tourism Fair (TTF) in Kolkata, India, July 12, 2019. The TTF is held at Netaji Indoor stadium from July 12 to 14.

Participants wait for clients during the Travel and Tourism Fair (TTF) in Kolkata, India, July 12, 2019. The TTF is held at Netaji Indoor stadium from July 12 to 14.

A Thai artist paints on an umbrella at a stall during the Travel and Tourism Fair (TTF) in Kolkata, India, July 12, 2019. The TTF is held at Netaji Indoor stadium from July 12 to 14.

A participant waits for clients during the Travel and Tourism Fair (TTF) in Kolkata, India, July 12, 2019. The TTF is held at Netaji Indoor stadium from July 12 to 14.

Participants wait for clients during the Travel and Tourism Fair (TTF) in Kolkata, India, July 12, 2019. The TTF is held at Netaji Indoor stadium from July 12 to 14. (Photos: Xinhua)