Lent excess before Lent begins. Some of the most famous are the Carnival of Barranquilla, the Carnival of Santa Cruz de Tenerife, the Carnival of Venice, Cologne Carnival, the New Orleans Mardi Gras, the Rio de Janeiro carnival, and the Trinidad and Tobago Carnival. The day immediately preceding Lent is variously called Mardi Gras ("Fat Tuesday"), Pancake Tuesday, or Shrove Tuesday. Sometimes, it is the peak of the pre-Lenten festival, while sometimes it is largely occupied with preparations for Lent. The observances vary from culture to culture, and even from town to town. Originally, in Lebanon and Syria, the last Thursday
Guandu River (Rio de Janeiro) course. The pollution problem is so serious that it threatens the water supply of the Rio de Janeiro metropolitan area. CEDAE, the water and sewer company of the state, recognizes that the problem is very serious. CEDAE also admits that because of the high levels of pollution, purification of Guandu's waters is a challenge. Guandu River (Rio de Janeiro) The Guandu River (Rio de Janeiro) is a river of Rio de Janeiro state in southeastern Brazil. This river together with the Paraíba do Sul River are the most important in the Rio de Janeiro state. The river supplies water to