water-logged

It also coincides with the rainy season when reaching people is very difficult because water-logged roads become impassable, and the end of the planting season when the U.N. needs to provide seeds to farmers, she said.

"When I left for work on Monday, I could still get through the water-logged street with my car. By the afternoon, the army was rescuing people with a truck," says Porto Alegre resident Magda Moura.

After a night of chaos and confrontation, the clearest reminder of the protests on Wednesday morning were water-logged flyers littering streets alongside the campus perimeter.

Years later, colonial official Sir Charles Eliot said Nairobi sat in "a depression with a very thin layer of soil or rock. The soil was water-logged during the greater part of the year".

While the spears drew most of the attention, the rest of the wood collected spent decades awaiting analysis, soaking in refrigerated tubs of distilled water to replicate the cold, water-logged soil that preserved it for 300,000 years.