For a long time, the boilers were attributed to explosions, but nowadays it is necessary to distinguish at least two sources in the formation of boilers. Smaller boilers, with a few hundred meters in diameter, are surrounded by walls slag mixed with abundant rocks of the region, whose presence demonstrates that it is a blast. The larger boilers with one or more kilometers in diameter, are due to afundimentos or rebates which are explained as follows:
1. The first explosions expel a portion of the melt, reducing therefore the level of the chimney, while building the volcanic apparatus.
2. The crater lips start to crack it in concentric circles, and then the blocks separated by cracks due to the lack of underground support, are slaughtered, the magma chamber. Thus is formed a fake explosion crater, which is in fact a crash of the crater, rebate or subsidence. Subsequent eruptions can produce new cones inside the crater. Subsidence craters are volcanoes characterized by plenty of issuance of lava or ash. Large Hawaiian craters are this tipo.O boiler name originated in the Azores and the Canary Islands. In the Azores there are good examples of boilers, some occupied by ponds, one of the most known the of the seven cities on the island of São Miguel.
The Urban art in Lisbon is headline news in The Huffington Post. Ranked 6th among 22 world cities projects, the building of the wall in Avenida Fontes Pereira de Melo, Lisbon, is for this American news portal, "a form of public art. Figures such as Banksy and Shepard Fairey are referred to in the article, as famous figures who have contributed to the change in the world of urban art, allowing what was very recently "a clandestine act" now is a new artistic expression, appearing in large cities worldwide writes Katherine Brooks. For the journalist, with the arrival of summer and travel on the horizon, this guide brings together twenty-six major cities in the world, from Brazil to Taiwan, proving that street art is worth celebrated. Catarina Vaz Pinto, Councillor for Culture of the Council of Lisbon, recently found that the urban art today acquired the recognition translated in access to public space, expressing the city's concerns.
Lisbon is one of the most beautiful and spectacular cities in the world with rich culture blending with modern and vibrant lifestyles. It is certainly one of the loudest places you will ever be, and to make things even better - can be very inexpensive. Here, I'll show you how to enjoy your trip with a low budget, as well as some tips and tricks to make the most of your visit in Lisbon.
See here: http://www.zmetravel.com/destinations/europe-destinations/mediterranean/lisbon-budget-travel-4775
Two Portuguese train stations are among the most beautiful in the world according to a list compiled by the US publication Flavorwire. The Rossio station in Lisbon, and São Bento in Porto, are the representatives of Portugal, the only European country to put the two names chosen. In total, there are ten stations chosen as the most beautiful of the entire globe. The Portuguese stations appear alongside other compelling railway structures as the Atocha station in Madrid, Paris Gare du Nord or Grand Central Terminal, an icon of New York City. According to Claire Cottrell, list the author, the decision to highlight the stations due to the fact that they are to regain a prominent position as has happened with many other things - such as vinyl records or the Polaroids - they were relegated to second place in favor of what is now considered more modern. However, the stations of the railways are back and better than ever, writes Cottrell, adding that, therefore, it is time to have a look at some of the best railway stations that still remains standing.
Portinho Arrábida is a small village belonging to the district of Setúbal, best known for stunning beaches.
The Portuguese region surpassed 19 other competitors and finished ahead of big names of the wine universe, such as Champagne, France, and the Spanish La Rioja. The Alentejo wine is to be congratulated, this because the Alentejo was elected the best wine region in the world to visit, according to a poll sponsored by USA Today, the nation's largest daily, and the portal for 10Best travelers. The contest ended on August 4 and the long-awaited victory - the Portuguese destination was in the lead in the vote concerns - was confirmed on Wednesday. The Portuguese region was ahead of big names in the wine universe as Champagne (France) and La Rioja (Spain). In competition were 20 pre-selected candidates, chosen by experts in wine Frank Pulice and Kerry Woolard, collaborator describing the region as well: "When most people think of Portugal, immediately think in the Douro. But rumen south to the Alentejo and did not disappoint. Boutique wineries, full-service hotels, excellent restaurants and of course formidable wine. " Fate, the only Portuguese in competition, is considered a rural region that enhances a journey through time. In addition, and according to Kerry, is known for "robust red wines" and do get to the food table "rustic and authentic." The top 5 is completed by Okanagan Valley in British Columbia, Maipo Chile, Marlborough in New Zealand and Croatia.