Mexico City - A city in protest

Mexico City is huge. Over 20 million people live here and at the moment practically all of them are unhappy. Mexico has just had an election and the outcome was very close within 20 votes. People demanded a recount - the (right wing) president who got in said he would only authorize a recount in the north - where his supporters are. The left wing people are deeply upset especially as the left wing canditate was vastly ahead in the polls before election. So the left wing people are protesting and of course the right wing supporters are protesting at the left wing supporters. Why am I telling you all this. I'm setting the scene because the Zocolo (the main historic square) where I am staying has become the centre of a massive demonstration. Pepole are camped outside the government palaces. A huge tent city has appeared near the park. On the hour every hour marches go past. The zocolo is the left wing capital of the country. Its very peaceful protesting but very loud. Food tents, music tents, even theatre tents have been errected. The tent city is turning into a cultural fringe festival. It has to be seen to be believed. The only downside is alot of museums and places of interest have had to shut down because the protestors are blocking access.
I have managed to get into the national art museum which was so impressive. The murals cover the entire walls. The work of Diego Rivera in particular was amazing. He is the bloke who painted the famous mural with Lenin in the centre, USA capitalism to the left and showing communism to the right as a utopia. This is his painting of the city of Mexico when it was an island in a vast lake. This is where the Aztecs lived. When the Spanish conquered here they drained the lake over the course of 200 years and as a result the city that was built on the lake bed is sinking. Not that slowly either. It has sunk 15 metres (in places) in the last 300 years. Most of the buildings here are sloped. Reminds me a bit of the flat in Goodramgate.
Got three days in the hostel here before I join up with the overlanding group. Everyone is incredibly friendly and it would be nigh on impossible not to make friends and even my total lack of Spanish has not been a hidrance (though it has only been 1 day) The locals are very friendly and chrivalous. One chap even gave up his seat on the metro for me. So far so good... this has been the best possible start to my trip.