Longest 'tallest to shortest' human chain

Longest 'tallest to shortest' human chain
Who
GBT US LLC
What
508 people
Where
Canada (Toronto, Canada, Ontario, Canada)
When

The longest human chain, tallest to shortest, is 508 people and was achieved by American Express Meetings & Events at the INTER[action] Showcase at the Sheraton Centre Hotel in Toronto, Canada on 7 November 2015.

Achieved at the INTER[action} conference in Toronto, Ontario