The doodle on the homepage shows Google's logo in the shape of building blocks with several men doing their jobs.

Google salutes workers all over the world by dedicating a doodle to the workers on the ocassion of International Workers' Day, 2013, on Wednesday.

Also known as Labour Day, May 1 is an annual holiday to celebrate the achievements of workers throughout the year.

The doodle on the homepage shows Google's logo in the shape of building blocks with several men doing their jobs.

The doodle features an IT professional on her computer, a gardener watering a tree, a painter giving the letter 'O' a paint job and a plumber fixing a leak around the letter 'E'.

We can also see a helicopter hovering above the second 'G' and a satellite dish, indicative of modern-day communication, perched on the 'E'.

Labour Day has its origins in the labour union movement, especially the eight-hour day movement, which advocated eight hours for work, eight hours for recreation, and eight hours for rest.

Labour Day in India is celebrated on May 1 every year. It is an official public holiday.

In India, the first International Workers’ Day (also known as May Day) was celebrated in Madras by the Labour Kisan Party of Hindustan on May 1, 1923.

May 1 is a national holiday in more than 80 countries and celebrated .