Stunning photographs for daredevils in actions.
Brazil said on Tuesday it was deploying the military to patrol the emblematic tourist sites in Rio de Janeiro to guard against the "minimal" chance of an attack, though security at the Olympic stadium appeared slack three days before the Games.
As India's Dattu Bhokanal will be competing in the men's singles sculls rowing event fat the Rio 2016 Olympics, on Saturday, here is a beginner's guide.
The annual list, released on Wednesday by Geneva-based World Economic Forum, comes at a time when the new Indian government has completed 100 days in power and has promised further steps to revive its economy and the ease of doing business in the country.
Come August and the world's finest athletes from 206 countries will be out to prove their best at the Olympics.