Evolution of human colour vision lights, which appear to be clear. Other colour perception issues include having trouble distinguishing yellows from reds and violet, lavender and purple from blue. In other cases, objects that reflect both red and blue light may appear to just be blue to these individuals. Deuteranopes, who are missing medium wavelength sensitive cones, are similar to protanopes in that they cannot distinguish between colours in the green-yellow-red part of the electromagnetic spectrum. However, deuteranopes do not suffer from dimming issues. For example, purple colors are not seen as being opposite to other colours in the spectrum but instead appear to be
Colonialism and the Olympic Games protest China's treatment of protesters in Tibet. During the Olympic torch lighting ceremony in Greece on 24 March 2008, three Reporters Without Borders journalists breached a cordon of 1,000 police at the ancient Olympia stadium and interrupted the speech of Liu Qi, head of the Beijing Games committee. One protestor tried to snatch the microphone as another unrolled a black flag showing the Olympic rings as handcuffs. Nearly 50 Tibetan exiles in India began a global torch relay 25 March 2008 with a symbolic "Olympic" flame that ended in Tibet on 8 August 2008, the day of the Summer Games'